| /* |
| * Copyright (C) 2010 Brian Paul All Rights Reserved. |
| * Copyright (C) 2010 Intel Corporation |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included |
| * in all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
| * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR |
| * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
| * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
| * OTHER DEALINGS IN THE SOFTWARE. |
| * |
| * Author: Kristian Høgsberg <krh@bitplanet.net> |
| */ |
| |
| #include "glheader.h" |
| #include "context.h" |
| #include "blend.h" |
| #include "debug_output.h" |
| #include "enable.h" |
| #include "enums.h" |
| #include "errors.h" |
| #include "extensions.h" |
| #include "get.h" |
| #include "macros.h" |
| #include "mtypes.h" |
| #include "state.h" |
| #include "texcompress.h" |
| #include "texstate.h" |
| #include "framebuffer.h" |
| #include "samplerobj.h" |
| #include "stencil.h" |
| |
| /* This is a table driven implemetation of the glGet*v() functions. |
| * The basic idea is that most getters just look up an int somewhere |
| * in struct gl_context and then convert it to a bool or float according to |
| * which of glGetIntegerv() glGetBooleanv() etc is being called. |
| * Instead of generating code to do this, we can just record the enum |
| * value and the offset into struct gl_context in an array of structs. Then |
| * in glGet*(), we lookup the struct for the enum in question, and use |
| * the offset to get the int we need. |
| * |
| * Sometimes we need to look up a float, a boolean, a bit in a |
| * bitfield, a matrix or other types instead, so we need to track the |
| * type of the value in struct gl_context. And sometimes the value isn't in |
| * struct gl_context but in the drawbuffer, the array object, current texture |
| * unit, or maybe it's a computed value. So we need to also track |
| * where or how to find the value. Finally, we sometimes need to |
| * check that one of a number of extensions are enabled, the GL |
| * version or flush or call _mesa_update_state(). This is done by |
| * attaching optional extra information to the value description |
| * struct, it's sort of like an array of opcodes that describe extra |
| * checks or actions. |
| * |
| * Putting all this together we end up with struct value_desc below, |
| * and with a couple of macros to help, the table of struct value_desc |
| * is about as concise as the specification in the old python script. |
| */ |
| |
| #define FLOAT_TO_BOOLEAN(X) ( (X) ? GL_TRUE : GL_FALSE ) |
| #define FLOAT_TO_FIXED(F) ( ((F) * 65536.0f > INT_MAX) ? INT_MAX : \ |
| ((F) * 65536.0f < INT_MIN) ? INT_MIN : \ |
| (GLint) ((F) * 65536.0f) ) |
| |
| #define INT_TO_BOOLEAN(I) ( (I) ? GL_TRUE : GL_FALSE ) |
| #define INT_TO_FIXED(I) ( ((I) > SHRT_MAX) ? INT_MAX : \ |
| ((I) < SHRT_MIN) ? INT_MIN : \ |
| (GLint) ((I) * 65536) ) |
| |
| #define INT64_TO_BOOLEAN(I) ( (I) ? GL_TRUE : GL_FALSE ) |
| #define INT64_TO_INT(I) ( (GLint)((I > INT_MAX) ? INT_MAX : ((I < INT_MIN) ? INT_MIN : (I))) ) |
| |
| #define BOOLEAN_TO_INT(B) ( (GLint) (B) ) |
| #define BOOLEAN_TO_INT64(B) ( (GLint64) (B) ) |
| #define BOOLEAN_TO_FLOAT(B) ( (B) ? 1.0F : 0.0F ) |
| #define BOOLEAN_TO_FIXED(B) ( (GLint) ((B) ? 1 : 0) << 16 ) |
| |
| #define ENUM_TO_INT64(E) ( (GLint64) (E) ) |
| #define ENUM_TO_FIXED(E) (E) |
| |
| enum value_type { |
| TYPE_INVALID, |
| TYPE_INT, |
| TYPE_INT_2, |
| TYPE_INT_3, |
| TYPE_INT_4, |
| TYPE_INT_N, |
| TYPE_INT64, |
| TYPE_ENUM, |
| TYPE_ENUM_2, |
| TYPE_BOOLEAN, |
| TYPE_BIT_0, |
| TYPE_BIT_1, |
| TYPE_BIT_2, |
| TYPE_BIT_3, |
| TYPE_BIT_4, |
| TYPE_BIT_5, |
| TYPE_BIT_6, |
| TYPE_BIT_7, |
| TYPE_FLOAT, |
| TYPE_FLOAT_2, |
| TYPE_FLOAT_3, |
| TYPE_FLOAT_4, |
| TYPE_FLOATN, |
| TYPE_FLOATN_2, |
| TYPE_FLOATN_3, |
| TYPE_FLOATN_4, |
| TYPE_DOUBLEN, |
| TYPE_DOUBLEN_2, |
| TYPE_MATRIX, |
| TYPE_MATRIX_T, |
| TYPE_CONST |
| }; |
| |
| enum value_location { |
| LOC_BUFFER, |
| LOC_CONTEXT, |
| LOC_ARRAY, |
| LOC_TEXUNIT, |
| LOC_CUSTOM |
| }; |
| |
| enum value_extra { |
| EXTRA_END = 0x8000, |
| EXTRA_VERSION_30, |
| EXTRA_VERSION_31, |
| EXTRA_VERSION_32, |
| EXTRA_VERSION_40, |
| EXTRA_API_GL, |
| EXTRA_API_GL_CORE, |
| EXTRA_API_ES2, |
| EXTRA_API_ES3, |
| EXTRA_API_ES31, |
| EXTRA_NEW_BUFFERS, |
| EXTRA_NEW_FRAG_CLAMP, |
| EXTRA_VALID_DRAW_BUFFER, |
| EXTRA_VALID_TEXTURE_UNIT, |
| EXTRA_VALID_CLIP_DISTANCE, |
| EXTRA_FLUSH_CURRENT, |
| EXTRA_GLSL_130, |
| EXTRA_EXT_UBO_GS, |
| EXTRA_EXT_ATOMICS_GS, |
| EXTRA_EXT_SHADER_IMAGE_GS, |
| EXTRA_EXT_ATOMICS_TESS, |
| EXTRA_EXT_SHADER_IMAGE_TESS, |
| EXTRA_EXT_SSBO_GS, |
| EXTRA_EXT_FB_NO_ATTACH_GS, |
| EXTRA_EXT_ES_GS, |
| }; |
| |
| #define NO_EXTRA NULL |
| #define NO_OFFSET 0 |
| |
| struct value_desc { |
| GLenum pname; |
| GLubyte location; /**< enum value_location */ |
| GLubyte type; /**< enum value_type */ |
| int offset; |
| const int *extra; |
| }; |
| |
| union value { |
| GLfloat value_float; |
| GLfloat value_float_4[4]; |
| GLdouble value_double_2[2]; |
| GLmatrix *value_matrix; |
| GLint value_int; |
| GLint value_int_4[4]; |
| GLint64 value_int64; |
| GLenum value_enum; |
| |
| /* Sigh, see GL_COMPRESSED_TEXTURE_FORMATS_ARB handling */ |
| struct { |
| GLint n, ints[100]; |
| } value_int_n; |
| GLboolean value_bool; |
| }; |
| |
| #define BUFFER_FIELD(field, type) \ |
| LOC_BUFFER, type, offsetof(struct gl_framebuffer, field) |
| #define CONTEXT_FIELD(field, type) \ |
| LOC_CONTEXT, type, offsetof(struct gl_context, field) |
| #define ARRAY_FIELD(field, type) \ |
| LOC_ARRAY, type, offsetof(struct gl_vertex_array_object, field) |
| #undef CONST /* already defined through windows.h */ |
| #define CONST(value) \ |
| LOC_CONTEXT, TYPE_CONST, value |
| |
| #define BUFFER_INT(field) BUFFER_FIELD(field, TYPE_INT) |
| #define BUFFER_ENUM(field) BUFFER_FIELD(field, TYPE_ENUM) |
| #define BUFFER_BOOL(field) BUFFER_FIELD(field, TYPE_BOOLEAN) |
| |
| #define CONTEXT_INT(field) CONTEXT_FIELD(field, TYPE_INT) |
| #define CONTEXT_INT2(field) CONTEXT_FIELD(field, TYPE_INT_2) |
| #define CONTEXT_INT64(field) CONTEXT_FIELD(field, TYPE_INT64) |
| #define CONTEXT_ENUM(field) CONTEXT_FIELD(field, TYPE_ENUM) |
| #define CONTEXT_ENUM2(field) CONTEXT_FIELD(field, TYPE_ENUM_2) |
| #define CONTEXT_BOOL(field) CONTEXT_FIELD(field, TYPE_BOOLEAN) |
| #define CONTEXT_BIT0(field) CONTEXT_FIELD(field, TYPE_BIT_0) |
| #define CONTEXT_BIT1(field) CONTEXT_FIELD(field, TYPE_BIT_1) |
| #define CONTEXT_BIT2(field) CONTEXT_FIELD(field, TYPE_BIT_2) |
| #define CONTEXT_BIT3(field) CONTEXT_FIELD(field, TYPE_BIT_3) |
| #define CONTEXT_BIT4(field) CONTEXT_FIELD(field, TYPE_BIT_4) |
| #define CONTEXT_BIT5(field) CONTEXT_FIELD(field, TYPE_BIT_5) |
| #define CONTEXT_BIT6(field) CONTEXT_FIELD(field, TYPE_BIT_6) |
| #define CONTEXT_BIT7(field) CONTEXT_FIELD(field, TYPE_BIT_7) |
| #define CONTEXT_FLOAT(field) CONTEXT_FIELD(field, TYPE_FLOAT) |
| #define CONTEXT_FLOAT2(field) CONTEXT_FIELD(field, TYPE_FLOAT_2) |
| #define CONTEXT_FLOAT3(field) CONTEXT_FIELD(field, TYPE_FLOAT_3) |
| #define CONTEXT_FLOAT4(field) CONTEXT_FIELD(field, TYPE_FLOAT_4) |
| #define CONTEXT_MATRIX(field) CONTEXT_FIELD(field, TYPE_MATRIX) |
| #define CONTEXT_MATRIX_T(field) CONTEXT_FIELD(field, TYPE_MATRIX_T) |
| |
| #define ARRAY_INT(field) ARRAY_FIELD(field, TYPE_INT) |
| #define ARRAY_ENUM(field) ARRAY_FIELD(field, TYPE_ENUM) |
| #define ARRAY_BOOL(field) ARRAY_FIELD(field, TYPE_BOOLEAN) |
| |
| #define EXT(f) \ |
| offsetof(struct gl_extensions, f) |
| |
| #define EXTRA_EXT(e) \ |
| static const int extra_##e[] = { \ |
| EXT(e), EXTRA_END \ |
| } |
| |
| #define EXTRA_EXT2(e1, e2) \ |
| static const int extra_##e1##_##e2[] = { \ |
| EXT(e1), EXT(e2), EXTRA_END \ |
| } |
| |
| /* The 'extra' mechanism is a way to specify extra checks (such as |
| * extensions or specific gl versions) or actions (flush current, new |
| * buffers) that we need to do before looking up an enum. We need to |
| * declare them all up front so we can refer to them in the value_desc |
| * structs below. |
| * |
| * Each EXTRA_ will be executed. For EXTRA_* enums of extensions and API |
| * versions, listing multiple ones in an array means an error will be thrown |
| * only if none of them are available. If you need to check for "AND" |
| * behavior, you would need to make a custom EXTRA_ enum. |
| */ |
| |
| static const int extra_new_buffers[] = { |
| EXTRA_NEW_BUFFERS, |
| EXTRA_END |
| }; |
| |
| static const int extra_new_frag_clamp[] = { |
| EXTRA_NEW_FRAG_CLAMP, |
| EXTRA_END |
| }; |
| |
| static const int extra_valid_draw_buffer[] = { |
| EXTRA_VALID_DRAW_BUFFER, |
| EXTRA_END |
| }; |
| |
| static const int extra_valid_texture_unit[] = { |
| EXTRA_VALID_TEXTURE_UNIT, |
| EXTRA_END |
| }; |
| |
| static const int extra_valid_clip_distance[] = { |
| EXTRA_VALID_CLIP_DISTANCE, |
| EXTRA_END |
| }; |
| |
| static const int extra_flush_current_valid_texture_unit[] = { |
| EXTRA_FLUSH_CURRENT, |
| EXTRA_VALID_TEXTURE_UNIT, |
| EXTRA_END |
| }; |
| |
| static const int extra_flush_current[] = { |
| EXTRA_FLUSH_CURRENT, |
| EXTRA_END |
| }; |
| |
| static const int extra_EXT_texture_integer_and_new_buffers[] = { |
| EXT(EXT_texture_integer), |
| EXTRA_NEW_BUFFERS, |
| EXTRA_END |
| }; |
| |
| static const int extra_GLSL_130_es3[] = { |
| EXTRA_GLSL_130, |
| EXTRA_API_ES3, |
| EXTRA_END |
| }; |
| |
| static const int extra_texture_buffer_object[] = { |
| EXTRA_API_GL_CORE, |
| EXTRA_VERSION_31, |
| EXT(ARB_texture_buffer_object), |
| EXTRA_END |
| }; |
| |
| static const int extra_ARB_transform_feedback2_api_es3[] = { |
| EXT(ARB_transform_feedback2), |
| EXTRA_API_ES3, |
| EXTRA_END |
| }; |
| |
| static const int extra_ARB_uniform_buffer_object_and_geometry_shader[] = { |
| EXTRA_EXT_UBO_GS, |
| EXTRA_END |
| }; |
| |
| static const int extra_ARB_ES2_compatibility_api_es2[] = { |
| EXT(ARB_ES2_compatibility), |
| EXTRA_API_ES2, |
| EXTRA_END |
| }; |
| |
| static const int extra_ARB_ES3_compatibility_api_es3[] = { |
| EXT(ARB_ES3_compatibility), |
| EXTRA_API_ES3, |
| EXTRA_END |
| }; |
| |
| static const int extra_EXT_framebuffer_sRGB_and_new_buffers[] = { |
| EXT(EXT_framebuffer_sRGB), |
| EXTRA_NEW_BUFFERS, |
| EXTRA_END |
| }; |
| |
| static const int extra_EXT_packed_float[] = { |
| EXT(EXT_packed_float), |
| EXTRA_NEW_BUFFERS, |
| EXTRA_END |
| }; |
| |
| static const int extra_EXT_texture_array_es3[] = { |
| EXT(EXT_texture_array), |
| EXTRA_API_ES3, |
| EXTRA_END |
| }; |
| |
| static const int extra_ARB_shader_atomic_counters_and_geometry_shader[] = { |
| EXTRA_EXT_ATOMICS_GS, |
| EXTRA_END |
| }; |
| |
| static const int extra_ARB_shader_image_load_store_and_geometry_shader[] = { |
| EXTRA_EXT_SHADER_IMAGE_GS, |
| EXTRA_END |
| }; |
| |
| static const int extra_ARB_shader_atomic_counters_and_tessellation[] = { |
| EXTRA_EXT_ATOMICS_TESS, |
| EXTRA_END |
| }; |
| |
| static const int extra_ARB_shader_image_load_store_and_tessellation[] = { |
| EXTRA_EXT_SHADER_IMAGE_TESS, |
| EXTRA_END |
| }; |
| |
| /* HACK: remove when ARB_compute_shader is actually supported */ |
| static const int extra_ARB_compute_shader_es31[] = { |
| EXT(ARB_compute_shader), |
| EXTRA_API_ES31, |
| EXTRA_END |
| }; |
| |
| static const int extra_ARB_shader_storage_buffer_object_es31[] = { |
| EXT(ARB_shader_storage_buffer_object), |
| EXTRA_API_ES31, |
| EXTRA_END |
| }; |
| |
| static const int extra_ARB_shader_storage_buffer_object_and_geometry_shader[] = { |
| EXTRA_EXT_SSBO_GS, |
| EXTRA_END |
| }; |
| |
| static const int extra_ARB_shader_image_load_store_shader_storage_buffer_object_es31[] = { |
| EXT(ARB_shader_image_load_store), |
| EXT(ARB_shader_storage_buffer_object), |
| EXTRA_API_ES31, |
| EXTRA_END |
| }; |
| |
| static const int extra_ARB_framebuffer_no_attachments_and_geometry_shader[] = { |
| EXTRA_EXT_FB_NO_ATTACH_GS, |
| EXTRA_END |
| }; |
| |
| static const int extra_ARB_viewport_array_or_oes_geometry_shader[] = { |
| EXT(ARB_viewport_array), |
| EXTRA_EXT_ES_GS, |
| EXTRA_END |
| }; |
| |
| static const int extra_ARB_gpu_shader5_or_oes_geometry_shader[] = { |
| EXT(ARB_gpu_shader5), |
| EXTRA_EXT_ES_GS, |
| EXTRA_END |
| }; |
| |
| static const int extra_ARB_gpu_shader5_or_OES_sample_variables[] = { |
| EXT(ARB_gpu_shader5), |
| EXT(OES_sample_variables), |
| }; |
| |
| EXTRA_EXT(ARB_texture_cube_map); |
| EXTRA_EXT(EXT_texture_array); |
| EXTRA_EXT(NV_fog_distance); |
| EXTRA_EXT(EXT_texture_filter_anisotropic); |
| EXTRA_EXT(NV_point_sprite); |
| EXTRA_EXT(NV_texture_rectangle); |
| EXTRA_EXT(EXT_stencil_two_side); |
| EXTRA_EXT(EXT_depth_bounds_test); |
| EXTRA_EXT(ARB_depth_clamp); |
| EXTRA_EXT(ATI_fragment_shader); |
| EXTRA_EXT(EXT_provoking_vertex); |
| EXTRA_EXT(ARB_fragment_shader); |
| EXTRA_EXT(ARB_fragment_program); |
| EXTRA_EXT2(ARB_framebuffer_object, EXT_framebuffer_multisample); |
| EXTRA_EXT(ARB_seamless_cube_map); |
| EXTRA_EXT(ARB_sync); |
| EXTRA_EXT(ARB_vertex_shader); |
| EXTRA_EXT(EXT_transform_feedback); |
| EXTRA_EXT(ARB_transform_feedback3); |
| EXTRA_EXT(EXT_pixel_buffer_object); |
| EXTRA_EXT(ARB_vertex_program); |
| EXTRA_EXT2(NV_point_sprite, ARB_point_sprite); |
| EXTRA_EXT2(ARB_vertex_program, ARB_fragment_program); |
| EXTRA_EXT(ARB_color_buffer_float); |
| EXTRA_EXT(EXT_framebuffer_sRGB); |
| EXTRA_EXT(OES_EGL_image_external); |
| EXTRA_EXT(ARB_blend_func_extended); |
| EXTRA_EXT(ARB_uniform_buffer_object); |
| EXTRA_EXT(ARB_timer_query); |
| EXTRA_EXT(ARB_texture_cube_map_array); |
| EXTRA_EXT(ARB_texture_buffer_range); |
| EXTRA_EXT(ARB_texture_multisample); |
| EXTRA_EXT(ARB_texture_gather); |
| EXTRA_EXT(ARB_shader_atomic_counters); |
| EXTRA_EXT(ARB_draw_indirect); |
| EXTRA_EXT(ARB_shader_image_load_store); |
| EXTRA_EXT(ARB_viewport_array); |
| EXTRA_EXT(ARB_compute_shader); |
| EXTRA_EXT(ARB_gpu_shader5); |
| EXTRA_EXT(ARB_query_buffer_object); |
| EXTRA_EXT2(ARB_transform_feedback3, ARB_gpu_shader5); |
| EXTRA_EXT(INTEL_performance_query); |
| EXTRA_EXT(ARB_explicit_uniform_location); |
| EXTRA_EXT(ARB_clip_control); |
| EXTRA_EXT(EXT_polygon_offset_clamp); |
| EXTRA_EXT(ARB_framebuffer_no_attachments); |
| EXTRA_EXT(ARB_tessellation_shader); |
| EXTRA_EXT(ARB_shader_subroutine); |
| EXTRA_EXT(ARB_shader_storage_buffer_object); |
| EXTRA_EXT(ARB_indirect_parameters); |
| EXTRA_EXT(ATI_meminfo); |
| EXTRA_EXT(NVX_gpu_memory_info); |
| EXTRA_EXT(ARB_cull_distance); |
| |
| static const int |
| extra_ARB_color_buffer_float_or_glcore[] = { |
| EXT(ARB_color_buffer_float), |
| EXTRA_API_GL_CORE, |
| EXTRA_END |
| }; |
| |
| static const int |
| extra_NV_primitive_restart[] = { |
| EXT(NV_primitive_restart), |
| EXTRA_END |
| }; |
| |
| static const int extra_version_30[] = { EXTRA_VERSION_30, EXTRA_END }; |
| static const int extra_version_31[] = { EXTRA_VERSION_31, EXTRA_END }; |
| static const int extra_version_32[] = { EXTRA_VERSION_32, EXTRA_END }; |
| static const int extra_version_40[] = { EXTRA_VERSION_40, EXTRA_END }; |
| |
| static const int extra_gl30_es3[] = { |
| EXTRA_VERSION_30, |
| EXTRA_API_ES3, |
| EXTRA_END, |
| }; |
| |
| static const int extra_gl32_es3[] = { |
| EXTRA_VERSION_32, |
| EXTRA_API_ES3, |
| EXTRA_END, |
| }; |
| |
| static const int extra_version_32_OES_geometry_shader[] = { |
| EXTRA_VERSION_32, |
| EXTRA_EXT_ES_GS, |
| EXTRA_END |
| }; |
| |
| static const int extra_gl40_ARB_sample_shading[] = { |
| EXTRA_VERSION_40, |
| EXT(ARB_sample_shading), |
| EXTRA_END |
| }; |
| |
| static const int |
| extra_ARB_vertex_program_api_es2[] = { |
| EXT(ARB_vertex_program), |
| EXTRA_API_ES2, |
| EXTRA_END |
| }; |
| |
| /* The ReadBuffer get token is valid under either full GL or under |
| * GLES2 if the NV_read_buffer extension is available. */ |
| static const int |
| extra_NV_read_buffer_api_gl[] = { |
| EXTRA_API_ES2, |
| EXTRA_API_GL, |
| EXTRA_END |
| }; |
| |
| static const int extra_core_ARB_color_buffer_float_and_new_buffers[] = { |
| EXTRA_API_GL_CORE, |
| EXT(ARB_color_buffer_float), |
| EXTRA_NEW_BUFFERS, |
| EXTRA_END |
| }; |
| |
| /* This is the big table describing all the enums we accept in |
| * glGet*v(). The table is partitioned into six parts: enums |
| * understood by all GL APIs (OpenGL, GLES and GLES2), enums shared |
| * between OpenGL and GLES, enums exclusive to GLES, etc for the |
| * remaining combinations. To look up the enums valid in a given API |
| * we will use a hash table specific to that API. These tables are in |
| * turn generated at build time and included through get_hash.h. |
| */ |
| |
| #include "get_hash.h" |
| |
| /* All we need now is a way to look up the value struct from the enum. |
| * The code generated by gcc for the old generated big switch |
| * statement is a big, balanced, open coded if/else tree, essentially |
| * an unrolled binary search. It would be natural to sort the new |
| * enum table and use bsearch(), but we will use a read-only hash |
| * table instead. bsearch() has a nice guaranteed worst case |
| * performance, but we're also guaranteed to hit that worst case |
| * (log2(n) iterations) for about half the enums. Instead, using an |
| * open addressing hash table, we can find the enum on the first try |
| * for 80% of the enums, 1 collision for 10% and never more than 5 |
| * collisions for any enum (typical numbers). And the code is very |
| * simple, even though it feels a little magic. */ |
| |
| #ifdef GET_DEBUG |
| static void |
| print_table_stats(int api) |
| { |
| int i, j, collisions[11], count, hash, mask; |
| const struct value_desc *d; |
| const char *api_names[] = { |
| [API_OPENGL_COMPAT] = "GL", |
| [API_OPENGL_CORE] = "GL_CORE", |
| [API_OPENGLES] = "GLES", |
| [API_OPENGLES2] = "GLES2", |
| }; |
| const char *api_name; |
| |
| api_name = api < ARRAY_SIZE(api_names) ? api_names[api] : "N/A"; |
| count = 0; |
| mask = ARRAY_SIZE(table(api)) - 1; |
| memset(collisions, 0, sizeof collisions); |
| |
| for (i = 0; i < ARRAY_SIZE(table(api)); i++) { |
| if (!table(api)[i]) |
| continue; |
| count++; |
| d = &values[table(api)[i]]; |
| hash = (d->pname * prime_factor); |
| j = 0; |
| while (1) { |
| if (values[table(api)[hash & mask]].pname == d->pname) |
| break; |
| hash += prime_step; |
| j++; |
| } |
| |
| if (j < 10) |
| collisions[j]++; |
| else |
| collisions[10]++; |
| } |
| |
| printf("number of enums for %s: %d (total %ld)\n", |
| api_name, count, ARRAY_SIZE(values)); |
| for (i = 0; i < ARRAY_SIZE(collisions) - 1; i++) |
| if (collisions[i] > 0) |
| printf(" %d enums with %d %scollisions\n", |
| collisions[i], i, i == 10 ? "or more " : ""); |
| } |
| #endif |
| |
| /** |
| * Initialize the enum hash for a given API |
| * |
| * This is called from one_time_init() to insert the enum values that |
| * are valid for the API in question into the enum hash table. |
| * |
| * \param the current context, for determining the API in question |
| */ |
| void _mesa_init_get_hash(struct gl_context *ctx) |
| { |
| #ifdef GET_DEBUG |
| print_table_stats(ctx->API); |
| #else |
| (void) ctx; |
| #endif |
| } |
| |
| /** |
| * Handle irregular enums |
| * |
| * Some values don't conform to the "well-known type at context |
| * pointer + offset" pattern, so we have this function to catch all |
| * the corner cases. Typically, it's a computed value or a one-off |
| * pointer to a custom struct or something. |
| * |
| * In this case we can't return a pointer to the value, so we'll have |
| * to use the temporary variable 'v' declared back in the calling |
| * glGet*v() function to store the result. |
| * |
| * \param ctx the current context |
| * \param d the struct value_desc that describes the enum |
| * \param v pointer to the tmp declared in the calling glGet*v() function |
| */ |
| static void |
| find_custom_value(struct gl_context *ctx, const struct value_desc *d, union value *v) |
| { |
| struct gl_buffer_object **buffer_obj; |
| struct gl_vertex_attrib_array *array; |
| GLuint unit, *p; |
| |
| switch (d->pname) { |
| case GL_MAJOR_VERSION: |
| v->value_int = ctx->Version / 10; |
| break; |
| case GL_MINOR_VERSION: |
| v->value_int = ctx->Version % 10; |
| break; |
| |
| case GL_TEXTURE_1D: |
| case GL_TEXTURE_2D: |
| case GL_TEXTURE_3D: |
| case GL_TEXTURE_CUBE_MAP: |
| case GL_TEXTURE_RECTANGLE_NV: |
| case GL_TEXTURE_EXTERNAL_OES: |
| v->value_bool = _mesa_IsEnabled(d->pname); |
| break; |
| |
| case GL_LINE_STIPPLE_PATTERN: |
| /* This is the only GLushort, special case it here by promoting |
| * to an int rather than introducing a new type. */ |
| v->value_int = ctx->Line.StipplePattern; |
| break; |
| |
| case GL_CURRENT_RASTER_TEXTURE_COORDS: |
| unit = ctx->Texture.CurrentUnit; |
| v->value_float_4[0] = ctx->Current.RasterTexCoords[unit][0]; |
| v->value_float_4[1] = ctx->Current.RasterTexCoords[unit][1]; |
| v->value_float_4[2] = ctx->Current.RasterTexCoords[unit][2]; |
| v->value_float_4[3] = ctx->Current.RasterTexCoords[unit][3]; |
| break; |
| |
| case GL_CURRENT_TEXTURE_COORDS: |
| unit = ctx->Texture.CurrentUnit; |
| v->value_float_4[0] = ctx->Current.Attrib[VERT_ATTRIB_TEX0 + unit][0]; |
| v->value_float_4[1] = ctx->Current.Attrib[VERT_ATTRIB_TEX0 + unit][1]; |
| v->value_float_4[2] = ctx->Current.Attrib[VERT_ATTRIB_TEX0 + unit][2]; |
| v->value_float_4[3] = ctx->Current.Attrib[VERT_ATTRIB_TEX0 + unit][3]; |
| break; |
| |
| case GL_COLOR_WRITEMASK: |
| v->value_int_4[0] = ctx->Color.ColorMask[0][RCOMP] ? 1 : 0; |
| v->value_int_4[1] = ctx->Color.ColorMask[0][GCOMP] ? 1 : 0; |
| v->value_int_4[2] = ctx->Color.ColorMask[0][BCOMP] ? 1 : 0; |
| v->value_int_4[3] = ctx->Color.ColorMask[0][ACOMP] ? 1 : 0; |
| break; |
| |
| case GL_EDGE_FLAG: |
| v->value_bool = ctx->Current.Attrib[VERT_ATTRIB_EDGEFLAG][0] == 1.0F; |
| break; |
| |
| case GL_READ_BUFFER: |
| v->value_enum = ctx->ReadBuffer->ColorReadBuffer; |
| break; |
| |
| case GL_MAP2_GRID_DOMAIN: |
| v->value_float_4[0] = ctx->Eval.MapGrid2u1; |
| v->value_float_4[1] = ctx->Eval.MapGrid2u2; |
| v->value_float_4[2] = ctx->Eval.MapGrid2v1; |
| v->value_float_4[3] = ctx->Eval.MapGrid2v2; |
| break; |
| |
| case GL_TEXTURE_STACK_DEPTH: |
| unit = ctx->Texture.CurrentUnit; |
| v->value_int = ctx->TextureMatrixStack[unit].Depth + 1; |
| break; |
| case GL_TEXTURE_MATRIX: |
| unit = ctx->Texture.CurrentUnit; |
| v->value_matrix = ctx->TextureMatrixStack[unit].Top; |
| break; |
| |
| case GL_TEXTURE_COORD_ARRAY: |
| case GL_TEXTURE_COORD_ARRAY_SIZE: |
| case GL_TEXTURE_COORD_ARRAY_TYPE: |
| case GL_TEXTURE_COORD_ARRAY_STRIDE: |
| array = &ctx->Array.VAO->VertexAttrib[VERT_ATTRIB_TEX(ctx->Array.ActiveTexture)]; |
| v->value_int = *(GLuint *) ((char *) array + d->offset); |
| break; |
| |
| case GL_ACTIVE_TEXTURE_ARB: |
| v->value_int = GL_TEXTURE0_ARB + ctx->Texture.CurrentUnit; |
| break; |
| case GL_CLIENT_ACTIVE_TEXTURE_ARB: |
| v->value_int = GL_TEXTURE0_ARB + ctx->Array.ActiveTexture; |
| break; |
| |
| case GL_MODELVIEW_STACK_DEPTH: |
| case GL_PROJECTION_STACK_DEPTH: |
| v->value_int = *(GLint *) ((char *) ctx + d->offset) + 1; |
| break; |
| |
| case GL_MAX_TEXTURE_SIZE: |
| case GL_MAX_3D_TEXTURE_SIZE: |
| case GL_MAX_CUBE_MAP_TEXTURE_SIZE_ARB: |
| p = (GLuint *) ((char *) ctx + d->offset); |
| v->value_int = 1 << (*p - 1); |
| break; |
| |
| case GL_SCISSOR_BOX: |
| v->value_int_4[0] = ctx->Scissor.ScissorArray[0].X; |
| v->value_int_4[1] = ctx->Scissor.ScissorArray[0].Y; |
| v->value_int_4[2] = ctx->Scissor.ScissorArray[0].Width; |
| v->value_int_4[3] = ctx->Scissor.ScissorArray[0].Height; |
| break; |
| |
| case GL_SCISSOR_TEST: |
| v->value_bool = ctx->Scissor.EnableFlags & 1; |
| break; |
| |
| case GL_LIST_INDEX: |
| v->value_int = |
| ctx->ListState.CurrentList ? ctx->ListState.CurrentList->Name : 0; |
| break; |
| case GL_LIST_MODE: |
| if (!ctx->CompileFlag) |
| v->value_enum = 0; |
| else if (ctx->ExecuteFlag) |
| v->value_enum = GL_COMPILE_AND_EXECUTE; |
| else |
| v->value_enum = GL_COMPILE; |
| break; |
| |
| case GL_VIEWPORT: |
| v->value_float_4[0] = ctx->ViewportArray[0].X; |
| v->value_float_4[1] = ctx->ViewportArray[0].Y; |
| v->value_float_4[2] = ctx->ViewportArray[0].Width; |
| v->value_float_4[3] = ctx->ViewportArray[0].Height; |
| break; |
| |
| case GL_DEPTH_RANGE: |
| v->value_double_2[0] = ctx->ViewportArray[0].Near; |
| v->value_double_2[1] = ctx->ViewportArray[0].Far; |
| break; |
| |
| case GL_ACTIVE_STENCIL_FACE_EXT: |
| v->value_enum = ctx->Stencil.ActiveFace ? GL_BACK : GL_FRONT; |
| break; |
| |
| case GL_STENCIL_FAIL: |
| v->value_enum = ctx->Stencil.FailFunc[ctx->Stencil.ActiveFace]; |
| break; |
| case GL_STENCIL_FUNC: |
| v->value_enum = ctx->Stencil.Function[ctx->Stencil.ActiveFace]; |
| break; |
| case GL_STENCIL_PASS_DEPTH_FAIL: |
| v->value_enum = ctx->Stencil.ZFailFunc[ctx->Stencil.ActiveFace]; |
| break; |
| case GL_STENCIL_PASS_DEPTH_PASS: |
| v->value_enum = ctx->Stencil.ZPassFunc[ctx->Stencil.ActiveFace]; |
| break; |
| case GL_STENCIL_REF: |
| v->value_int = _mesa_get_stencil_ref(ctx, ctx->Stencil.ActiveFace); |
| break; |
| case GL_STENCIL_BACK_REF: |
| v->value_int = _mesa_get_stencil_ref(ctx, 1); |
| break; |
| case GL_STENCIL_VALUE_MASK: |
| v->value_int = ctx->Stencil.ValueMask[ctx->Stencil.ActiveFace]; |
| break; |
| case GL_STENCIL_WRITEMASK: |
| v->value_int = ctx->Stencil.WriteMask[ctx->Stencil.ActiveFace]; |
| break; |
| |
| case GL_NUM_EXTENSIONS: |
| v->value_int = _mesa_get_extension_count(ctx); |
| break; |
| |
| case GL_IMPLEMENTATION_COLOR_READ_TYPE_OES: |
| v->value_int = _mesa_get_color_read_type(ctx); |
| break; |
| case GL_IMPLEMENTATION_COLOR_READ_FORMAT_OES: |
| v->value_int = _mesa_get_color_read_format(ctx); |
| break; |
| |
| case GL_CURRENT_MATRIX_STACK_DEPTH_ARB: |
| v->value_int = ctx->CurrentStack->Depth + 1; |
| break; |
| case GL_CURRENT_MATRIX_ARB: |
| case GL_TRANSPOSE_CURRENT_MATRIX_ARB: |
| v->value_matrix = ctx->CurrentStack->Top; |
| break; |
| |
| case GL_NUM_COMPRESSED_TEXTURE_FORMATS_ARB: |
| v->value_int = _mesa_get_compressed_formats(ctx, NULL); |
| break; |
| case GL_COMPRESSED_TEXTURE_FORMATS_ARB: |
| v->value_int_n.n = |
| _mesa_get_compressed_formats(ctx, v->value_int_n.ints); |
| assert(v->value_int_n.n <= (int) ARRAY_SIZE(v->value_int_n.ints)); |
| break; |
| |
| case GL_MAX_VARYING_FLOATS_ARB: |
| v->value_int = ctx->Const.MaxVarying * 4; |
| break; |
| |
| /* Various object names */ |
| |
| case GL_TEXTURE_BINDING_1D: |
| case GL_TEXTURE_BINDING_2D: |
| case GL_TEXTURE_BINDING_3D: |
| case GL_TEXTURE_BINDING_1D_ARRAY_EXT: |
| case GL_TEXTURE_BINDING_2D_ARRAY_EXT: |
| case GL_TEXTURE_BINDING_CUBE_MAP_ARB: |
| case GL_TEXTURE_BINDING_RECTANGLE_NV: |
| case GL_TEXTURE_BINDING_EXTERNAL_OES: |
| case GL_TEXTURE_BINDING_CUBE_MAP_ARRAY: |
| case GL_TEXTURE_BINDING_2D_MULTISAMPLE: |
| case GL_TEXTURE_BINDING_2D_MULTISAMPLE_ARRAY: |
| unit = ctx->Texture.CurrentUnit; |
| v->value_int = |
| ctx->Texture.Unit[unit].CurrentTex[d->offset]->Name; |
| break; |
| |
| /* GL_EXT_packed_float */ |
| case GL_RGBA_SIGNED_COMPONENTS_EXT: |
| { |
| /* Note: we only check the 0th color attachment. */ |
| const struct gl_renderbuffer *rb = |
| ctx->DrawBuffer->_ColorDrawBuffers[0]; |
| if (rb && _mesa_is_format_signed(rb->Format)) { |
| /* Issue 17 of GL_EXT_packed_float: If a component (such as |
| * alpha) has zero bits, the component should not be considered |
| * signed and so the bit for the respective component should be |
| * zeroed. |
| */ |
| GLint r_bits = |
| _mesa_get_format_bits(rb->Format, GL_RED_BITS); |
| GLint g_bits = |
| _mesa_get_format_bits(rb->Format, GL_GREEN_BITS); |
| GLint b_bits = |
| _mesa_get_format_bits(rb->Format, GL_BLUE_BITS); |
| GLint a_bits = |
| _mesa_get_format_bits(rb->Format, GL_ALPHA_BITS); |
| GLint l_bits = |
| _mesa_get_format_bits(rb->Format, GL_TEXTURE_LUMINANCE_SIZE); |
| GLint i_bits = |
| _mesa_get_format_bits(rb->Format, GL_TEXTURE_INTENSITY_SIZE); |
| |
| v->value_int_4[0] = r_bits + l_bits + i_bits > 0; |
| v->value_int_4[1] = g_bits + l_bits + i_bits > 0; |
| v->value_int_4[2] = b_bits + l_bits + i_bits > 0; |
| v->value_int_4[3] = a_bits + i_bits > 0; |
| } |
| else { |
| v->value_int_4[0] = |
| v->value_int_4[1] = |
| v->value_int_4[2] = |
| v->value_int_4[3] = 0; |
| } |
| } |
| break; |
| |
| /* GL_ARB_vertex_buffer_object */ |
| case GL_VERTEX_ARRAY_BUFFER_BINDING_ARB: |
| case GL_NORMAL_ARRAY_BUFFER_BINDING_ARB: |
| case GL_COLOR_ARRAY_BUFFER_BINDING_ARB: |
| case GL_INDEX_ARRAY_BUFFER_BINDING_ARB: |
| case GL_EDGE_FLAG_ARRAY_BUFFER_BINDING_ARB: |
| case GL_SECONDARY_COLOR_ARRAY_BUFFER_BINDING_ARB: |
| case GL_FOG_COORDINATE_ARRAY_BUFFER_BINDING_ARB: |
| buffer_obj = (struct gl_buffer_object **) |
| ((char *) ctx->Array.VAO + d->offset); |
| v->value_int = (*buffer_obj)->Name; |
| break; |
| case GL_ARRAY_BUFFER_BINDING_ARB: |
| v->value_int = ctx->Array.ArrayBufferObj->Name; |
| break; |
| case GL_TEXTURE_COORD_ARRAY_BUFFER_BINDING_ARB: |
| v->value_int = |
| ctx->Array.VAO->VertexBinding[VERT_ATTRIB_TEX(ctx->Array.ActiveTexture)].BufferObj->Name; |
| break; |
| case GL_ELEMENT_ARRAY_BUFFER_BINDING_ARB: |
| v->value_int = ctx->Array.VAO->IndexBufferObj->Name; |
| break; |
| |
| /* ARB_vertex_array_bgra */ |
| case GL_COLOR_ARRAY_SIZE: |
| array = &ctx->Array.VAO->VertexAttrib[VERT_ATTRIB_COLOR0]; |
| v->value_int = array->Format == GL_BGRA ? GL_BGRA : array->Size; |
| break; |
| case GL_SECONDARY_COLOR_ARRAY_SIZE: |
| array = &ctx->Array.VAO->VertexAttrib[VERT_ATTRIB_COLOR1]; |
| v->value_int = array->Format == GL_BGRA ? GL_BGRA : array->Size; |
| break; |
| |
| /* ARB_copy_buffer */ |
| case GL_COPY_READ_BUFFER: |
| v->value_int = ctx->CopyReadBuffer->Name; |
| break; |
| case GL_COPY_WRITE_BUFFER: |
| v->value_int = ctx->CopyWriteBuffer->Name; |
| break; |
| |
| case GL_PIXEL_PACK_BUFFER_BINDING_EXT: |
| v->value_int = ctx->Pack.BufferObj->Name; |
| break; |
| case GL_PIXEL_UNPACK_BUFFER_BINDING_EXT: |
| v->value_int = ctx->Unpack.BufferObj->Name; |
| break; |
| case GL_TRANSFORM_FEEDBACK_BUFFER_BINDING: |
| v->value_int = ctx->TransformFeedback.CurrentBuffer->Name; |
| break; |
| case GL_TRANSFORM_FEEDBACK_BUFFER_PAUSED: |
| v->value_int = ctx->TransformFeedback.CurrentObject->Paused; |
| break; |
| case GL_TRANSFORM_FEEDBACK_BUFFER_ACTIVE: |
| v->value_int = ctx->TransformFeedback.CurrentObject->Active; |
| break; |
| case GL_TRANSFORM_FEEDBACK_BINDING: |
| v->value_int = ctx->TransformFeedback.CurrentObject->Name; |
| break; |
| case GL_CURRENT_PROGRAM: |
| /* The Changelog of the ARB_separate_shader_objects spec says: |
| * |
| * 24 25 Jul 2011 pbrown Remove the language erroneously deleting |
| * CURRENT_PROGRAM. In the EXT extension, this |
| * token was aliased to ACTIVE_PROGRAM_EXT, and |
| * was used to indicate the last program set by |
| * either ActiveProgramEXT or UseProgram. In |
| * the ARB extension, the SSO active programs |
| * are now program pipeline object state and |
| * CURRENT_PROGRAM should still be used to query |
| * the last program set by UseProgram (bug 7822). |
| */ |
| v->value_int = |
| ctx->Shader.ActiveProgram ? ctx->Shader.ActiveProgram->Name : 0; |
| break; |
| case GL_READ_FRAMEBUFFER_BINDING_EXT: |
| v->value_int = ctx->ReadBuffer->Name; |
| break; |
| case GL_RENDERBUFFER_BINDING_EXT: |
| v->value_int = |
| ctx->CurrentRenderbuffer ? ctx->CurrentRenderbuffer->Name : 0; |
| break; |
| case GL_POINT_SIZE_ARRAY_BUFFER_BINDING_OES: |
| v->value_int = ctx->Array.VAO->VertexBinding[VERT_ATTRIB_POINT_SIZE].BufferObj->Name; |
| break; |
| |
| case GL_FOG_COLOR: |
| if (_mesa_get_clamp_fragment_color(ctx, ctx->DrawBuffer)) |
| COPY_4FV(v->value_float_4, ctx->Fog.Color); |
| else |
| COPY_4FV(v->value_float_4, ctx->Fog.ColorUnclamped); |
| break; |
| case GL_COLOR_CLEAR_VALUE: |
| if (_mesa_get_clamp_fragment_color(ctx, ctx->DrawBuffer)) { |
| v->value_float_4[0] = CLAMP(ctx->Color.ClearColor.f[0], 0.0F, 1.0F); |
| v->value_float_4[1] = CLAMP(ctx->Color.ClearColor.f[1], 0.0F, 1.0F); |
| v->value_float_4[2] = CLAMP(ctx->Color.ClearColor.f[2], 0.0F, 1.0F); |
| v->value_float_4[3] = CLAMP(ctx->Color.ClearColor.f[3], 0.0F, 1.0F); |
| } else |
| COPY_4FV(v->value_float_4, ctx->Color.ClearColor.f); |
| break; |
| case GL_BLEND_COLOR_EXT: |
| if (_mesa_get_clamp_fragment_color(ctx, ctx->DrawBuffer)) |
| COPY_4FV(v->value_float_4, ctx->Color.BlendColor); |
| else |
| COPY_4FV(v->value_float_4, ctx->Color.BlendColorUnclamped); |
| break; |
| case GL_ALPHA_TEST_REF: |
| if (_mesa_get_clamp_fragment_color(ctx, ctx->DrawBuffer)) |
| v->value_float = ctx->Color.AlphaRef; |
| else |
| v->value_float = ctx->Color.AlphaRefUnclamped; |
| break; |
| case GL_MAX_VERTEX_UNIFORM_VECTORS: |
| v->value_int = ctx->Const.Program[MESA_SHADER_VERTEX].MaxUniformComponents / 4; |
| break; |
| |
| case GL_MAX_FRAGMENT_UNIFORM_VECTORS: |
| v->value_int = ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxUniformComponents / 4; |
| break; |
| |
| /* GL_ARB_texture_buffer_object */ |
| case GL_TEXTURE_BUFFER_ARB: |
| v->value_int = ctx->Texture.BufferObject->Name; |
| break; |
| case GL_TEXTURE_BINDING_BUFFER_ARB: |
| unit = ctx->Texture.CurrentUnit; |
| v->value_int = |
| ctx->Texture.Unit[unit].CurrentTex[TEXTURE_BUFFER_INDEX]->Name; |
| break; |
| case GL_TEXTURE_BUFFER_DATA_STORE_BINDING_ARB: |
| { |
| struct gl_buffer_object *buf = |
| ctx->Texture.Unit[ctx->Texture.CurrentUnit] |
| .CurrentTex[TEXTURE_BUFFER_INDEX]->BufferObject; |
| v->value_int = buf ? buf->Name : 0; |
| } |
| break; |
| case GL_TEXTURE_BUFFER_FORMAT_ARB: |
| v->value_int = ctx->Texture.Unit[ctx->Texture.CurrentUnit] |
| .CurrentTex[TEXTURE_BUFFER_INDEX]->BufferObjectFormat; |
| break; |
| |
| /* GL_ARB_sampler_objects */ |
| case GL_SAMPLER_BINDING: |
| { |
| struct gl_sampler_object *samp = |
| ctx->Texture.Unit[ctx->Texture.CurrentUnit].Sampler; |
| v->value_int = samp ? samp->Name : 0; |
| } |
| break; |
| /* GL_ARB_uniform_buffer_object */ |
| case GL_UNIFORM_BUFFER_BINDING: |
| v->value_int = ctx->UniformBuffer->Name; |
| break; |
| /* GL_ARB_shader_storage_buffer_object */ |
| case GL_SHADER_STORAGE_BUFFER_BINDING: |
| v->value_int = ctx->ShaderStorageBuffer->Name; |
| break; |
| /* GL_ARB_query_buffer_object */ |
| case GL_QUERY_BUFFER_BINDING: |
| v->value_int = ctx->QueryBuffer->Name; |
| break; |
| /* GL_ARB_timer_query */ |
| case GL_TIMESTAMP: |
| if (ctx->Driver.GetTimestamp) { |
| v->value_int64 = ctx->Driver.GetTimestamp(ctx); |
| } |
| else { |
| _mesa_problem(ctx, "driver doesn't implement GetTimestamp"); |
| } |
| break; |
| /* GL_KHR_DEBUG */ |
| case GL_DEBUG_OUTPUT: |
| case GL_DEBUG_OUTPUT_SYNCHRONOUS: |
| case GL_DEBUG_LOGGED_MESSAGES: |
| case GL_DEBUG_NEXT_LOGGED_MESSAGE_LENGTH: |
| case GL_DEBUG_GROUP_STACK_DEPTH: |
| v->value_int = _mesa_get_debug_state_int(ctx, d->pname); |
| break; |
| /* GL_ARB_shader_atomic_counters */ |
| case GL_ATOMIC_COUNTER_BUFFER_BINDING: |
| if (ctx->AtomicBuffer) { |
| v->value_int = ctx->AtomicBuffer->Name; |
| } else { |
| v->value_int = 0; |
| } |
| break; |
| /* GL_ARB_draw_indirect */ |
| case GL_DRAW_INDIRECT_BUFFER_BINDING: |
| v->value_int = ctx->DrawIndirectBuffer->Name; |
| break; |
| /* GL_ARB_indirect_parameters */ |
| case GL_PARAMETER_BUFFER_BINDING_ARB: |
| v->value_int = ctx->ParameterBuffer->Name; |
| break; |
| /* GL_ARB_separate_shader_objects */ |
| case GL_PROGRAM_PIPELINE_BINDING: |
| if (ctx->Pipeline.Current) { |
| v->value_int = ctx->Pipeline.Current->Name; |
| } else { |
| v->value_int = 0; |
| } |
| break; |
| /* GL_ARB_compute_shader */ |
| case GL_DISPATCH_INDIRECT_BUFFER_BINDING: |
| v->value_int = ctx->DispatchIndirectBuffer->Name; |
| break; |
| /* GL_ARB_multisample */ |
| case GL_SAMPLES: |
| v->value_int = _mesa_geometric_samples(ctx->DrawBuffer); |
| break; |
| case GL_SAMPLE_BUFFERS: |
| v->value_int = _mesa_geometric_samples(ctx->DrawBuffer) > 0; |
| break; |
| /* GL_ATI_meminfo & GL_NVX_gpu_memory_info */ |
| case GL_VBO_FREE_MEMORY_ATI: |
| case GL_TEXTURE_FREE_MEMORY_ATI: |
| case GL_RENDERBUFFER_FREE_MEMORY_ATI: |
| case GL_GPU_MEMORY_INFO_DEDICATED_VIDMEM_NVX: |
| case GL_GPU_MEMORY_INFO_TOTAL_AVAILABLE_MEMORY_NVX: |
| case GL_GPU_MEMORY_INFO_CURRENT_AVAILABLE_VIDMEM_NVX: |
| case GL_GPU_MEMORY_INFO_EVICTION_COUNT_NVX: |
| case GL_GPU_MEMORY_INFO_EVICTED_MEMORY_NVX: |
| { |
| struct gl_memory_info info; |
| |
| ctx->Driver.QueryMemoryInfo(ctx, &info); |
| |
| if (d->pname == GL_GPU_MEMORY_INFO_DEDICATED_VIDMEM_NVX) |
| v->value_int = info.total_device_memory; |
| else if (d->pname == GL_GPU_MEMORY_INFO_TOTAL_AVAILABLE_MEMORY_NVX) |
| v->value_int = info.total_device_memory + |
| info.total_staging_memory; |
| else if (d->pname == GL_GPU_MEMORY_INFO_CURRENT_AVAILABLE_VIDMEM_NVX) |
| v->value_int = info.avail_device_memory; |
| else if (d->pname == GL_GPU_MEMORY_INFO_EVICTION_COUNT_NVX) |
| v->value_int = info.nr_device_memory_evictions; |
| else if (d->pname == GL_GPU_MEMORY_INFO_EVICTED_MEMORY_NVX) |
| v->value_int = info.device_memory_evicted; |
| else { |
| /* ATI free memory enums. |
| * |
| * Since the GPU memory is (usually) page-table based, every two |
| * consecutive elements are equal. From the GL_ATI_meminfo |
| * specification: |
| * |
| * "param[0] - total memory free in the pool |
| * param[1] - largest available free block in the pool |
| * param[2] - total auxiliary memory free |
| * param[3] - largest auxiliary free block" |
| * |
| * All three (VBO, TEXTURE, RENDERBUFFER) queries return |
| * the same numbers here. |
| */ |
| v->value_int_4[0] = info.avail_device_memory; |
| v->value_int_4[1] = info.avail_device_memory; |
| v->value_int_4[2] = info.avail_staging_memory; |
| v->value_int_4[3] = info.avail_staging_memory; |
| } |
| } |
| break; |
| } |
| } |
| |
| /** |
| * Check extra constraints on a struct value_desc descriptor |
| * |
| * If a struct value_desc has a non-NULL extra pointer, it means that |
| * there are a number of extra constraints to check or actions to |
| * perform. The extras is just an integer array where each integer |
| * encode different constraints or actions. |
| * |
| * \param ctx current context |
| * \param func name of calling glGet*v() function for error reporting |
| * \param d the struct value_desc that has the extra constraints |
| * |
| * \return GL_FALSE if all of the constraints were not satisfied, |
| * otherwise GL_TRUE. |
| */ |
| static GLboolean |
| check_extra(struct gl_context *ctx, const char *func, const struct value_desc *d) |
| { |
| const GLuint version = ctx->Version; |
| GLboolean api_check = GL_FALSE; |
| GLboolean api_found = GL_FALSE; |
| const int *e; |
| |
| for (e = d->extra; *e != EXTRA_END; e++) { |
| switch (*e) { |
| case EXTRA_VERSION_30: |
| api_check = GL_TRUE; |
| if (version >= 30) |
| api_found = GL_TRUE; |
| break; |
| case EXTRA_VERSION_31: |
| api_check = GL_TRUE; |
| if (version >= 31) |
| api_found = GL_TRUE; |
| break; |
| case EXTRA_VERSION_32: |
| api_check = GL_TRUE; |
| if (version >= 32) |
| api_found = GL_TRUE; |
| break; |
| case EXTRA_NEW_FRAG_CLAMP: |
| if (ctx->NewState & (_NEW_BUFFERS | _NEW_FRAG_CLAMP)) |
| _mesa_update_state(ctx); |
| break; |
| case EXTRA_API_ES2: |
| api_check = GL_TRUE; |
| if (ctx->API == API_OPENGLES2) |
| api_found = GL_TRUE; |
| break; |
| case EXTRA_API_ES3: |
| api_check = GL_TRUE; |
| if (_mesa_is_gles3(ctx)) |
| api_found = GL_TRUE; |
| break; |
| case EXTRA_API_ES31: |
| api_check = GL_TRUE; |
| if (_mesa_is_gles31(ctx)) |
| api_found = GL_TRUE; |
| break; |
| case EXTRA_API_GL: |
| api_check = GL_TRUE; |
| if (_mesa_is_desktop_gl(ctx)) |
| api_found = GL_TRUE; |
| break; |
| case EXTRA_API_GL_CORE: |
| api_check = GL_TRUE; |
| if (ctx->API == API_OPENGL_CORE) |
| api_found = GL_TRUE; |
| break; |
| case EXTRA_NEW_BUFFERS: |
| if (ctx->NewState & _NEW_BUFFERS) |
| _mesa_update_state(ctx); |
| break; |
| case EXTRA_FLUSH_CURRENT: |
| FLUSH_CURRENT(ctx, 0); |
| break; |
| case EXTRA_VALID_DRAW_BUFFER: |
| if (d->pname - GL_DRAW_BUFFER0_ARB >= ctx->Const.MaxDrawBuffers) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, "%s(draw buffer %u)", |
| func, d->pname - GL_DRAW_BUFFER0_ARB); |
| return GL_FALSE; |
| } |
| break; |
| case EXTRA_VALID_TEXTURE_UNIT: |
| if (ctx->Texture.CurrentUnit >= ctx->Const.MaxTextureCoordUnits) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, "%s(texture %u)", |
| func, ctx->Texture.CurrentUnit); |
| return GL_FALSE; |
| } |
| break; |
| case EXTRA_VALID_CLIP_DISTANCE: |
| if (d->pname - GL_CLIP_DISTANCE0 >= ctx->Const.MaxClipPlanes) { |
| _mesa_error(ctx, GL_INVALID_ENUM, "%s(clip distance %u)", |
| func, d->pname - GL_CLIP_DISTANCE0); |
| return GL_FALSE; |
| } |
| break; |
| case EXTRA_GLSL_130: |
| api_check = GL_TRUE; |
| if (ctx->Const.GLSLVersion >= 130) |
| api_found = GL_TRUE; |
| break; |
| case EXTRA_EXT_UBO_GS: |
| api_check = GL_TRUE; |
| if (ctx->Extensions.ARB_uniform_buffer_object && |
| _mesa_has_geometry_shaders(ctx)) |
| api_found = GL_TRUE; |
| break; |
| case EXTRA_EXT_ATOMICS_GS: |
| api_check = GL_TRUE; |
| if (ctx->Extensions.ARB_shader_atomic_counters && |
| _mesa_has_geometry_shaders(ctx)) |
| api_found = GL_TRUE; |
| break; |
| case EXTRA_EXT_SHADER_IMAGE_GS: |
| api_check = GL_TRUE; |
| if (ctx->Extensions.ARB_shader_image_load_store && |
| _mesa_has_geometry_shaders(ctx)) |
| api_found = GL_TRUE; |
| break; |
| case EXTRA_EXT_ATOMICS_TESS: |
| api_check = GL_TRUE; |
| api_found = ctx->Extensions.ARB_shader_atomic_counters && |
| _mesa_has_tessellation(ctx); |
| break; |
| case EXTRA_EXT_SHADER_IMAGE_TESS: |
| api_check = GL_TRUE; |
| api_found = ctx->Extensions.ARB_shader_image_load_store && |
| _mesa_has_tessellation(ctx); |
| break; |
| case EXTRA_EXT_SSBO_GS: |
| api_check = GL_TRUE; |
| if (ctx->Extensions.ARB_shader_storage_buffer_object && |
| _mesa_has_geometry_shaders(ctx)) |
| api_found = GL_TRUE; |
| break; |
| case EXTRA_EXT_FB_NO_ATTACH_GS: |
| api_check = GL_TRUE; |
| if (ctx->Extensions.ARB_framebuffer_no_attachments && |
| (_mesa_is_desktop_gl(ctx) || |
| _mesa_has_OES_geometry_shader(ctx))) |
| api_found = GL_TRUE; |
| break; |
| case EXTRA_EXT_ES_GS: |
| api_check = GL_TRUE; |
| if (_mesa_has_OES_geometry_shader(ctx)) |
| api_found = GL_TRUE; |
| break; |
| case EXTRA_END: |
| break; |
| default: /* *e is a offset into the extension struct */ |
| api_check = GL_TRUE; |
| if (*(GLboolean *) ((char *) &ctx->Extensions + *e)) |
| api_found = GL_TRUE; |
| break; |
| } |
| } |
| |
| if (api_check && !api_found) { |
| _mesa_error(ctx, GL_INVALID_ENUM, "%s(pname=%s)", func, |
| _mesa_enum_to_string(d->pname)); |
| return GL_FALSE; |
| } |
| |
| return GL_TRUE; |
| } |
| |
| static const struct value_desc error_value = |
| { 0, 0, TYPE_INVALID, NO_OFFSET, NO_EXTRA }; |
| |
| /** |
| * Find the struct value_desc corresponding to the enum 'pname'. |
| * |
| * We hash the enum value to get an index into the 'table' array, |
| * which holds the index in the 'values' array of struct value_desc. |
| * Once we've found the entry, we do the extra checks, if any, then |
| * look up the value and return a pointer to it. |
| * |
| * If the value has to be computed (for example, it's the result of a |
| * function call or we need to add 1 to it), we use the tmp 'v' to |
| * store the result. |
| * |
| * \param func name of glGet*v() func for error reporting |
| * \param pname the enum value we're looking up |
| * \param p is were we return the pointer to the value |
| * \param v a tmp union value variable in the calling glGet*v() function |
| * |
| * \return the struct value_desc corresponding to the enum or a struct |
| * value_desc of TYPE_INVALID if not found. This lets the calling |
| * glGet*v() function jump right into a switch statement and |
| * handle errors there instead of having to check for NULL. |
| */ |
| static const struct value_desc * |
| find_value(const char *func, GLenum pname, void **p, union value *v) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| struct gl_texture_unit *unit; |
| int mask, hash; |
| const struct value_desc *d; |
| int api; |
| |
| api = ctx->API; |
| /* We index into the table_set[] list of per-API hash tables using the API's |
| * value in the gl_api enum. Since GLES 3 doesn't have an API_OPENGL* enum |
| * value since it's compatible with GLES2 its entry in table_set[] is at the |
| * end. |
| */ |
| STATIC_ASSERT(ARRAY_SIZE(table_set) == API_OPENGL_LAST + 3); |
| if (_mesa_is_gles3(ctx)) { |
| api = API_OPENGL_LAST + 1; |
| } |
| if (_mesa_is_gles31(ctx)) { |
| api = API_OPENGL_LAST + 2; |
| } |
| mask = ARRAY_SIZE(table(api)) - 1; |
| hash = (pname * prime_factor); |
| while (1) { |
| int idx = table(api)[hash & mask]; |
| |
| /* If the enum isn't valid, the hash walk ends with index 0, |
| * pointing to the first entry of values[] which doesn't hold |
| * any valid enum. */ |
| if (unlikely(idx == 0)) { |
| _mesa_error(ctx, GL_INVALID_ENUM, "%s(pname=%s)", func, |
| _mesa_enum_to_string(pname)); |
| return &error_value; |
| } |
| |
| d = &values[idx]; |
| if (likely(d->pname == pname)) |
| break; |
| |
| hash += prime_step; |
| } |
| |
| if (unlikely(d->extra && !check_extra(ctx, func, d))) |
| return &error_value; |
| |
| switch (d->location) { |
| case LOC_BUFFER: |
| *p = ((char *) ctx->DrawBuffer + d->offset); |
| return d; |
| case LOC_CONTEXT: |
| *p = ((char *) ctx + d->offset); |
| return d; |
| case LOC_ARRAY: |
| *p = ((char *) ctx->Array.VAO + d->offset); |
| return d; |
| case LOC_TEXUNIT: |
| unit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; |
| *p = ((char *) unit + d->offset); |
| return d; |
| case LOC_CUSTOM: |
| find_custom_value(ctx, d, v); |
| *p = v; |
| return d; |
| default: |
| assert(0); |
| break; |
| } |
| |
| /* silence warning */ |
| return &error_value; |
| } |
| |
| static const int transpose[] = { |
| 0, 4, 8, 12, |
| 1, 5, 9, 13, |
| 2, 6, 10, 14, |
| 3, 7, 11, 15 |
| }; |
| |
| void GLAPIENTRY |
| _mesa_GetBooleanv(GLenum pname, GLboolean *params) |
| { |
| const struct value_desc *d; |
| union value v; |
| GLmatrix *m; |
| int shift, i; |
| void *p; |
| |
| d = find_value("glGetBooleanv", pname, &p, &v); |
| switch (d->type) { |
| case TYPE_INVALID: |
| break; |
| case TYPE_CONST: |
| params[0] = INT_TO_BOOLEAN(d->offset); |
| break; |
| |
| case TYPE_FLOAT_4: |
| case TYPE_FLOATN_4: |
| params[3] = FLOAT_TO_BOOLEAN(((GLfloat *) p)[3]); |
| case TYPE_FLOAT_3: |
| case TYPE_FLOATN_3: |
| params[2] = FLOAT_TO_BOOLEAN(((GLfloat *) p)[2]); |
| case TYPE_FLOAT_2: |
| case TYPE_FLOATN_2: |
| params[1] = FLOAT_TO_BOOLEAN(((GLfloat *) p)[1]); |
| case TYPE_FLOAT: |
| case TYPE_FLOATN: |
| params[0] = FLOAT_TO_BOOLEAN(((GLfloat *) p)[0]); |
| break; |
| |
| case TYPE_DOUBLEN_2: |
| params[1] = FLOAT_TO_BOOLEAN(((GLdouble *) p)[1]); |
| case TYPE_DOUBLEN: |
| params[0] = FLOAT_TO_BOOLEAN(((GLdouble *) p)[0]); |
| break; |
| |
| case TYPE_INT_4: |
| params[3] = INT_TO_BOOLEAN(((GLint *) p)[3]); |
| case TYPE_INT_3: |
| params[2] = INT_TO_BOOLEAN(((GLint *) p)[2]); |
| case TYPE_INT_2: |
| case TYPE_ENUM_2: |
| params[1] = INT_TO_BOOLEAN(((GLint *) p)[1]); |
| case TYPE_INT: |
| case TYPE_ENUM: |
| params[0] = INT_TO_BOOLEAN(((GLint *) p)[0]); |
| break; |
| |
| case TYPE_INT_N: |
| for (i = 0; i < v.value_int_n.n; i++) |
| params[i] = INT_TO_BOOLEAN(v.value_int_n.ints[i]); |
| break; |
| |
| case TYPE_INT64: |
| params[0] = INT64_TO_BOOLEAN(((GLint64 *) p)[0]); |
| break; |
| |
| case TYPE_BOOLEAN: |
| params[0] = ((GLboolean*) p)[0]; |
| break; |
| |
| case TYPE_MATRIX: |
| m = *(GLmatrix **) p; |
| for (i = 0; i < 16; i++) |
| params[i] = FLOAT_TO_BOOLEAN(m->m[i]); |
| break; |
| |
| case TYPE_MATRIX_T: |
| m = *(GLmatrix **) p; |
| for (i = 0; i < 16; i++) |
| params[i] = FLOAT_TO_BOOLEAN(m->m[transpose[i]]); |
| break; |
| |
| case TYPE_BIT_0: |
| case TYPE_BIT_1: |
| case TYPE_BIT_2: |
| case TYPE_BIT_3: |
| case TYPE_BIT_4: |
| case TYPE_BIT_5: |
| case TYPE_BIT_6: |
| case TYPE_BIT_7: |
| shift = d->type - TYPE_BIT_0; |
| params[0] = (*(GLbitfield *) p >> shift) & 1; |
| break; |
| } |
| } |
| |
| void GLAPIENTRY |
| _mesa_GetFloatv(GLenum pname, GLfloat *params) |
| { |
| const struct value_desc *d; |
| union value v; |
| GLmatrix *m; |
| int shift, i; |
| void *p; |
| |
| d = find_value("glGetFloatv", pname, &p, &v); |
| switch (d->type) { |
| case TYPE_INVALID: |
| break; |
| case TYPE_CONST: |
| params[0] = (GLfloat) d->offset; |
| break; |
| |
| case TYPE_FLOAT_4: |
| case TYPE_FLOATN_4: |
| params[3] = ((GLfloat *) p)[3]; |
| case TYPE_FLOAT_3: |
| case TYPE_FLOATN_3: |
| params[2] = ((GLfloat *) p)[2]; |
| case TYPE_FLOAT_2: |
| case TYPE_FLOATN_2: |
| params[1] = ((GLfloat *) p)[1]; |
| case TYPE_FLOAT: |
| case TYPE_FLOATN: |
| params[0] = ((GLfloat *) p)[0]; |
| break; |
| |
| case TYPE_DOUBLEN_2: |
| params[1] = (GLfloat) (((GLdouble *) p)[1]); |
| case TYPE_DOUBLEN: |
| params[0] = (GLfloat) (((GLdouble *) p)[0]); |
| break; |
| |
| case TYPE_INT_4: |
| params[3] = (GLfloat) (((GLint *) p)[3]); |
| case TYPE_INT_3: |
| params[2] = (GLfloat) (((GLint *) p)[2]); |
| case TYPE_INT_2: |
| case TYPE_ENUM_2: |
| params[1] = (GLfloat) (((GLint *) p)[1]); |
| case TYPE_INT: |
| case TYPE_ENUM: |
| params[0] = (GLfloat) (((GLint *) p)[0]); |
| break; |
| |
| case TYPE_INT_N: |
| for (i = 0; i < v.value_int_n.n; i++) |
| params[i] = INT_TO_FLOAT(v.value_int_n.ints[i]); |
| break; |
| |
| case TYPE_INT64: |
| params[0] = (GLfloat) (((GLint64 *) p)[0]); |
| break; |
| |
| case TYPE_BOOLEAN: |
| params[0] = BOOLEAN_TO_FLOAT(*(GLboolean*) p); |
| break; |
| |
| case TYPE_MATRIX: |
| m = *(GLmatrix **) p; |
| for (i = 0; i < 16; i++) |
| params[i] = m->m[i]; |
| break; |
| |
| case TYPE_MATRIX_T: |
| m = *(GLmatrix **) p; |
| for (i = 0; i < 16; i++) |
| params[i] = m->m[transpose[i]]; |
| break; |
| |
| case TYPE_BIT_0: |
| case TYPE_BIT_1: |
| case TYPE_BIT_2: |
| case TYPE_BIT_3: |
| case TYPE_BIT_4: |
| case TYPE_BIT_5: |
| case TYPE_BIT_6: |
| case TYPE_BIT_7: |
| shift = d->type - TYPE_BIT_0; |
| params[0] = BOOLEAN_TO_FLOAT((*(GLbitfield *) p >> shift) & 1); |
| break; |
| } |
| } |
| |
| void GLAPIENTRY |
| _mesa_GetIntegerv(GLenum pname, GLint *params) |
| { |
| const struct value_desc *d; |
| union value v; |
| GLmatrix *m; |
| int shift, i; |
| void *p; |
| |
| d = find_value("glGetIntegerv", pname, &p, &v); |
| switch (d->type) { |
| case TYPE_INVALID: |
| break; |
| case TYPE_CONST: |
| params[0] = d->offset; |
| break; |
| |
| case TYPE_FLOAT_4: |
| params[3] = IROUND(((GLfloat *) p)[3]); |
| case TYPE_FLOAT_3: |
| params[2] = IROUND(((GLfloat *) p)[2]); |
| case TYPE_FLOAT_2: |
| params[1] = IROUND(((GLfloat *) p)[1]); |
| case TYPE_FLOAT: |
| params[0] = IROUND(((GLfloat *) p)[0]); |
| break; |
| |
| case TYPE_FLOATN_4: |
| params[3] = FLOAT_TO_INT(((GLfloat *) p)[3]); |
| case TYPE_FLOATN_3: |
| params[2] = FLOAT_TO_INT(((GLfloat *) p)[2]); |
| case TYPE_FLOATN_2: |
| params[1] = FLOAT_TO_INT(((GLfloat *) p)[1]); |
| case TYPE_FLOATN: |
| params[0] = FLOAT_TO_INT(((GLfloat *) p)[0]); |
| break; |
| |
| case TYPE_DOUBLEN_2: |
| params[1] = FLOAT_TO_INT(((GLdouble *) p)[1]); |
| case TYPE_DOUBLEN: |
| params[0] = FLOAT_TO_INT(((GLdouble *) p)[0]); |
| break; |
| |
| case TYPE_INT_4: |
| params[3] = ((GLint *) p)[3]; |
| case TYPE_INT_3: |
| params[2] = ((GLint *) p)[2]; |
| case TYPE_INT_2: |
| case TYPE_ENUM_2: |
| params[1] = ((GLint *) p)[1]; |
| case TYPE_INT: |
| case TYPE_ENUM: |
| params[0] = ((GLint *) p)[0]; |
| break; |
| |
| case TYPE_INT_N: |
| for (i = 0; i < v.value_int_n.n; i++) |
| params[i] = v.value_int_n.ints[i]; |
| break; |
| |
| case TYPE_INT64: |
| params[0] = INT64_TO_INT(((GLint64 *) p)[0]); |
| break; |
| |
| case TYPE_BOOLEAN: |
| params[0] = BOOLEAN_TO_INT(*(GLboolean*) p); |
| break; |
| |
| case TYPE_MATRIX: |
| m = *(GLmatrix **) p; |
| for (i = 0; i < 16; i++) |
| params[i] = FLOAT_TO_INT(m->m[i]); |
| break; |
| |
| case TYPE_MATRIX_T: |
| m = *(GLmatrix **) p; |
| for (i = 0; i < 16; i++) |
| params[i] = FLOAT_TO_INT(m->m[transpose[i]]); |
| break; |
| |
| case TYPE_BIT_0: |
| case TYPE_BIT_1: |
| case TYPE_BIT_2: |
| case TYPE_BIT_3: |
| case TYPE_BIT_4: |
| case TYPE_BIT_5: |
| case TYPE_BIT_6: |
| case TYPE_BIT_7: |
| shift = d->type - TYPE_BIT_0; |
| params[0] = (*(GLbitfield *) p >> shift) & 1; |
| break; |
| } |
| } |
| |
| void GLAPIENTRY |
| _mesa_GetInteger64v(GLenum pname, GLint64 *params) |
| { |
| const struct value_desc *d; |
| union value v; |
| GLmatrix *m; |
| int shift, i; |
| void *p; |
| |
| d = find_value("glGetInteger64v", pname, &p, &v); |
| switch (d->type) { |
| case TYPE_INVALID: |
| break; |
| case TYPE_CONST: |
| params[0] = d->offset; |
| break; |
| |
| case TYPE_FLOAT_4: |
| params[3] = IROUND64(((GLfloat *) p)[3]); |
| case TYPE_FLOAT_3: |
| params[2] = IROUND64(((GLfloat *) p)[2]); |
| case TYPE_FLOAT_2: |
| params[1] = IROUND64(((GLfloat *) p)[1]); |
| case TYPE_FLOAT: |
| params[0] = IROUND64(((GLfloat *) p)[0]); |
| break; |
| |
| case TYPE_FLOATN_4: |
| params[3] = FLOAT_TO_INT(((GLfloat *) p)[3]); |
| case TYPE_FLOATN_3: |
| params[2] = FLOAT_TO_INT(((GLfloat *) p)[2]); |
| case TYPE_FLOATN_2: |
| params[1] = FLOAT_TO_INT(((GLfloat *) p)[1]); |
| case TYPE_FLOATN: |
| params[0] = FLOAT_TO_INT(((GLfloat *) p)[0]); |
| break; |
| |
| case TYPE_DOUBLEN_2: |
| params[1] = FLOAT_TO_INT(((GLdouble *) p)[1]); |
| case TYPE_DOUBLEN: |
| params[0] = FLOAT_TO_INT(((GLdouble *) p)[0]); |
| break; |
| |
| case TYPE_INT_4: |
| params[3] = ((GLint *) p)[3]; |
| case TYPE_INT_3: |
| params[2] = ((GLint *) p)[2]; |
| case TYPE_INT_2: |
| case TYPE_ENUM_2: |
| params[1] = ((GLint *) p)[1]; |
| case TYPE_INT: |
| case TYPE_ENUM: |
| params[0] = ((GLint *) p)[0]; |
| break; |
| |
| case TYPE_INT_N: |
| for (i = 0; i < v.value_int_n.n; i++) |
| params[i] = INT_TO_BOOLEAN(v.value_int_n.ints[i]); |
| break; |
| |
| case TYPE_INT64: |
| params[0] = ((GLint64 *) p)[0]; |
| break; |
| |
| case TYPE_BOOLEAN: |
| params[0] = ((GLboolean*) p)[0]; |
| break; |
| |
| case TYPE_MATRIX: |
| m = *(GLmatrix **) p; |
| for (i = 0; i < 16; i++) |
| params[i] = FLOAT_TO_INT64(m->m[i]); |
| break; |
| |
| case TYPE_MATRIX_T: |
| m = *(GLmatrix **) p; |
| for (i = 0; i < 16; i++) |
| params[i] = FLOAT_TO_INT64(m->m[transpose[i]]); |
| break; |
| |
| case TYPE_BIT_0: |
| case TYPE_BIT_1: |
| case TYPE_BIT_2: |
| case TYPE_BIT_3: |
| case TYPE_BIT_4: |
| case TYPE_BIT_5: |
| case TYPE_BIT_6: |
| case TYPE_BIT_7: |
| shift = d->type - TYPE_BIT_0; |
| params[0] = (*(GLbitfield *) p >> shift) & 1; |
| break; |
| } |
| } |
| |
| void GLAPIENTRY |
| _mesa_GetDoublev(GLenum pname, GLdouble *params) |
| { |
| const struct value_desc *d; |
| union value v; |
| GLmatrix *m; |
| int shift, i; |
| void *p; |
| |
| d = find_value("glGetDoublev", pname, &p, &v); |
| switch (d->type) { |
| case TYPE_INVALID: |
| break; |
| case TYPE_CONST: |
| params[0] = d->offset; |
| break; |
| |
| case TYPE_FLOAT_4: |
| case TYPE_FLOATN_4: |
| params[3] = ((GLfloat *) p)[3]; |
| case TYPE_FLOAT_3: |
| case TYPE_FLOATN_3: |
| params[2] = ((GLfloat *) p)[2]; |
| case TYPE_FLOAT_2: |
| case TYPE_FLOATN_2: |
| params[1] = ((GLfloat *) p)[1]; |
| case TYPE_FLOAT: |
| case TYPE_FLOATN: |
| params[0] = ((GLfloat *) p)[0]; |
| break; |
| |
| case TYPE_DOUBLEN_2: |
| params[1] = ((GLdouble *) p)[1]; |
| case TYPE_DOUBLEN: |
| params[0] = ((GLdouble *) p)[0]; |
| break; |
| |
| case TYPE_INT_4: |
| params[3] = ((GLint *) p)[3]; |
| case TYPE_INT_3: |
| params[2] = ((GLint *) p)[2]; |
| case TYPE_INT_2: |
| case TYPE_ENUM_2: |
| params[1] = ((GLint *) p)[1]; |
| case TYPE_INT: |
| case TYPE_ENUM: |
| params[0] = ((GLint *) p)[0]; |
| break; |
| |
| case TYPE_INT_N: |
| for (i = 0; i < v.value_int_n.n; i++) |
| params[i] = v.value_int_n.ints[i]; |
| break; |
| |
| case TYPE_INT64: |
| params[0] = (GLdouble) (((GLint64 *) p)[0]); |
| break; |
| |
| case TYPE_BOOLEAN: |
| params[0] = *(GLboolean*) p; |
| break; |
| |
| case TYPE_MATRIX: |
| m = *(GLmatrix **) p; |
| for (i = 0; i < 16; i++) |
| params[i] = m->m[i]; |
| break; |
| |
| case TYPE_MATRIX_T: |
| m = *(GLmatrix **) p; |
| for (i = 0; i < 16; i++) |
| params[i] = m->m[transpose[i]]; |
| break; |
| |
| case TYPE_BIT_0: |
| case TYPE_BIT_1: |
| case TYPE_BIT_2: |
| case TYPE_BIT_3: |
| case TYPE_BIT_4: |
| case TYPE_BIT_5: |
| case TYPE_BIT_6: |
| case TYPE_BIT_7: |
| shift = d->type - TYPE_BIT_0; |
| params[0] = (*(GLbitfield *) p >> shift) & 1; |
| break; |
| } |
| } |
| |
| /** |
| * Convert a GL texture binding enum such as GL_TEXTURE_BINDING_2D |
| * into the corresponding Mesa texture target index. |
| * \return TEXTURE_x_INDEX or -1 if binding is invalid |
| */ |
| static int |
| tex_binding_to_index(const struct gl_context *ctx, GLenum binding) |
| { |
| switch (binding) { |
| case GL_TEXTURE_BINDING_1D: |
| return _mesa_is_desktop_gl(ctx) ? TEXTURE_1D_INDEX : -1; |
| case GL_TEXTURE_BINDING_2D: |
| return TEXTURE_2D_INDEX; |
| case GL_TEXTURE_BINDING_3D: |
| return ctx->API != API_OPENGLES ? TEXTURE_3D_INDEX : -1; |
| case GL_TEXTURE_BINDING_CUBE_MAP: |
| return ctx->Extensions.ARB_texture_cube_map |
| ? TEXTURE_CUBE_INDEX : -1; |
| case GL_TEXTURE_BINDING_RECTANGLE: |
| return _mesa_is_desktop_gl(ctx) && ctx->Extensions.NV_texture_rectangle |
| ? TEXTURE_RECT_INDEX : -1; |
| case GL_TEXTURE_BINDING_1D_ARRAY: |
| return _mesa_is_desktop_gl(ctx) && ctx->Extensions.EXT_texture_array |
| ? TEXTURE_1D_ARRAY_INDEX : -1; |
| case GL_TEXTURE_BINDING_2D_ARRAY: |
| return (_mesa_is_desktop_gl(ctx) && ctx->Extensions.EXT_texture_array) |
| || _mesa_is_gles3(ctx) |
| ? TEXTURE_2D_ARRAY_INDEX : -1; |
| case GL_TEXTURE_BINDING_BUFFER: |
| return (_mesa_has_ARB_texture_buffer_object(ctx) || |
| _mesa_has_OES_texture_buffer(ctx)) ? |
| TEXTURE_BUFFER_INDEX : -1; |
| case GL_TEXTURE_BINDING_CUBE_MAP_ARRAY: |
| return _mesa_is_desktop_gl(ctx) && ctx->Extensions.ARB_texture_cube_map_array |
| ? TEXTURE_CUBE_ARRAY_INDEX : -1; |
| case GL_TEXTURE_BINDING_2D_MULTISAMPLE: |
| return _mesa_is_desktop_gl(ctx) && ctx->Extensions.ARB_texture_multisample |
| ? TEXTURE_2D_MULTISAMPLE_INDEX : -1; |
| case GL_TEXTURE_BINDING_2D_MULTISAMPLE_ARRAY: |
| return _mesa_is_desktop_gl(ctx) && ctx->Extensions.ARB_texture_multisample |
| ? TEXTURE_2D_MULTISAMPLE_ARRAY_INDEX : -1; |
| default: |
| return -1; |
| } |
| } |
| |
| static enum value_type |
| find_value_indexed(const char *func, GLenum pname, GLuint index, union value *v) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| |
| switch (pname) { |
| |
| case GL_BLEND: |
| if (index >= ctx->Const.MaxDrawBuffers) |
| goto invalid_value; |
| if (!ctx->Extensions.EXT_draw_buffers2) |
| goto invalid_enum; |
| v->value_int = (ctx->Color.BlendEnabled >> index) & 1; |
| return TYPE_INT; |
| |
| case GL_BLEND_SRC: |
| /* fall-through */ |
| case GL_BLEND_SRC_RGB: |
| if (index >= ctx->Const.MaxDrawBuffers) |
| goto invalid_value; |
| if (!ctx->Extensions.ARB_draw_buffers_blend) |
| goto invalid_enum; |
| v->value_int = ctx->Color.Blend[index].SrcRGB; |
| return TYPE_INT; |
| case GL_BLEND_SRC_ALPHA: |
| if (index >= ctx->Const.MaxDrawBuffers) |
| goto invalid_value; |
| if (!ctx->Extensions.ARB_draw_buffers_blend) |
| goto invalid_enum; |
| v->value_int = ctx->Color.Blend[index].SrcA; |
| return TYPE_INT; |
| case GL_BLEND_DST: |
| /* fall-through */ |
| case GL_BLEND_DST_RGB: |
| if (index >= ctx->Const.MaxDrawBuffers) |
| goto invalid_value; |
| if (!ctx->Extensions.ARB_draw_buffers_blend) |
| goto invalid_enum; |
| v->value_int = ctx->Color.Blend[index].DstRGB; |
| return TYPE_INT; |
| case GL_BLEND_DST_ALPHA: |
| if (index >= ctx->Const.MaxDrawBuffers) |
| goto invalid_value; |
| if (!ctx->Extensions.ARB_draw_buffers_blend) |
| goto invalid_enum; |
| v->value_int = ctx->Color.Blend[index].DstA; |
| return TYPE_INT; |
| case GL_BLEND_EQUATION_RGB: |
| if (index >= ctx->Const.MaxDrawBuffers) |
| goto invalid_value; |
| if (!ctx->Extensions.ARB_draw_buffers_blend) |
| goto invalid_enum; |
| v->value_int = ctx->Color.Blend[index].EquationRGB; |
| return TYPE_INT; |
| case GL_BLEND_EQUATION_ALPHA: |
| if (index >= ctx->Const.MaxDrawBuffers) |
| goto invalid_value; |
| if (!ctx->Extensions.ARB_draw_buffers_blend) |
| goto invalid_enum; |
| v->value_int = ctx->Color.Blend[index].EquationA; |
| return TYPE_INT; |
| |
| case GL_COLOR_WRITEMASK: |
| if (index >= ctx->Const.MaxDrawBuffers) |
| goto invalid_value; |
| if (!ctx->Extensions.EXT_draw_buffers2) |
| goto invalid_enum; |
| v->value_int_4[0] = ctx->Color.ColorMask[index][RCOMP] ? 1 : 0; |
| v->value_int_4[1] = ctx->Color.ColorMask[index][GCOMP] ? 1 : 0; |
| v->value_int_4[2] = ctx->Color.ColorMask[index][BCOMP] ? 1 : 0; |
| v->value_int_4[3] = ctx->Color.ColorMask[index][ACOMP] ? 1 : 0; |
| return TYPE_INT_4; |
| |
| case GL_SCISSOR_BOX: |
| if (index >= ctx->Const.MaxViewports) |
| goto invalid_value; |
| v->value_int_4[0] = ctx->Scissor.ScissorArray[index].X; |
| v->value_int_4[1] = ctx->Scissor.ScissorArray[index].Y; |
| v->value_int_4[2] = ctx->Scissor.ScissorArray[index].Width; |
| v->value_int_4[3] = ctx->Scissor.ScissorArray[index].Height; |
| return TYPE_INT_4; |
| |
| case GL_VIEWPORT: |
| if (index >= ctx->Const.MaxViewports) |
| goto invalid_value; |
| v->value_float_4[0] = ctx->ViewportArray[index].X; |
| v->value_float_4[1] = ctx->ViewportArray[index].Y; |
| v->value_float_4[2] = ctx->ViewportArray[index].Width; |
| v->value_float_4[3] = ctx->ViewportArray[index].Height; |
| return TYPE_FLOAT_4; |
| |
| case GL_DEPTH_RANGE: |
| if (index >= ctx->Const.MaxViewports) |
| goto invalid_value; |
| v->value_double_2[0] = ctx->ViewportArray[index].Near; |
| v->value_double_2[1] = ctx->ViewportArray[index].Far; |
| return TYPE_DOUBLEN_2; |
| |
| case GL_TRANSFORM_FEEDBACK_BUFFER_START: |
| if (index >= ctx->Const.MaxTransformFeedbackBuffers) |
| goto invalid_value; |
| if (!ctx->Extensions.EXT_transform_feedback) |
| goto invalid_enum; |
| v->value_int64 = ctx->TransformFeedback.CurrentObject->Offset[index]; |
| return TYPE_INT64; |
| |
| case GL_TRANSFORM_FEEDBACK_BUFFER_SIZE: |
| if (index >= ctx->Const.MaxTransformFeedbackBuffers) |
| goto invalid_value; |
| if (!ctx->Extensions.EXT_transform_feedback) |
| goto invalid_enum; |
| v->value_int64 |
| = ctx->TransformFeedback.CurrentObject->RequestedSize[index]; |
| return TYPE_INT64; |
| |
| case GL_TRANSFORM_FEEDBACK_BUFFER_BINDING: |
| if (index >= ctx->Const.MaxTransformFeedbackBuffers) |
| goto invalid_value; |
| if (!ctx->Extensions.EXT_transform_feedback) |
| goto invalid_enum; |
| v->value_int = ctx->TransformFeedback.CurrentObject->BufferNames[index]; |
| return TYPE_INT; |
| |
| case GL_UNIFORM_BUFFER_BINDING: |
| if (index >= ctx->Const.MaxUniformBufferBindings) |
| goto invalid_value; |
| if (!ctx->Extensions.ARB_uniform_buffer_object) |
| goto invalid_enum; |
| v->value_int = ctx->UniformBufferBindings[index].BufferObject->Name; |
| return TYPE_INT; |
| |
| case GL_UNIFORM_BUFFER_START: |
| if (index >= ctx->Const.MaxUniformBufferBindings) |
| goto invalid_value; |
| if (!ctx->Extensions.ARB_uniform_buffer_object) |
| goto invalid_enum; |
| v->value_int = ctx->UniformBufferBindings[index].Offset < 0 ? 0 : |
| ctx->UniformBufferBindings[index].Offset; |
| return TYPE_INT; |
| |
| case GL_UNIFORM_BUFFER_SIZE: |
| if (index >= ctx->Const.MaxUniformBufferBindings) |
| goto invalid_value; |
| if (!ctx->Extensions.ARB_uniform_buffer_object) |
| goto invalid_enum; |
| v->value_int = ctx->UniformBufferBindings[index].Size < 0 ? 0 : |
| ctx->UniformBufferBindings[index].Size; |
| return TYPE_INT; |
| |
| /* ARB_shader_storage_buffer_object */ |
| case GL_SHADER_STORAGE_BUFFER_BINDING: |
| if (!ctx->Extensions.ARB_shader_storage_buffer_object) |
| goto invalid_enum; |
| if (index >= ctx->Const.MaxShaderStorageBufferBindings) |
| goto invalid_value; |
| v->value_int = ctx->ShaderStorageBufferBindings[index].BufferObject->Name; |
| return TYPE_INT; |
| |
| case GL_SHADER_STORAGE_BUFFER_START: |
| if (!ctx->Extensions.ARB_shader_storage_buffer_object) |
| goto invalid_enum; |
| if (index >= ctx->Const.MaxShaderStorageBufferBindings) |
| goto invalid_value; |
| v->value_int = ctx->ShaderStorageBufferBindings[index].Offset < 0 ? 0 : |
| ctx->ShaderStorageBufferBindings[index].Offset; |
| return TYPE_INT; |
| |
| case GL_SHADER_STORAGE_BUFFER_SIZE: |
| if (!ctx->Extensions.ARB_shader_storage_buffer_object) |
| goto invalid_enum; |
| if (index >= ctx->Const.MaxShaderStorageBufferBindings) |
| goto invalid_value; |
| v->value_int = ctx->ShaderStorageBufferBindings[index].Size < 0 ? 0 : |
| ctx->ShaderStorageBufferBindings[index].Size; |
| return TYPE_INT; |
| |
| /* ARB_texture_multisample / GL3.2 */ |
| case GL_SAMPLE_MASK_VALUE: |
| if (index != 0) |
| goto invalid_value; |
| if (!ctx->Extensions.ARB_texture_multisample) |
| goto invalid_enum; |
| v->value_int = ctx->Multisample.SampleMaskValue; |
| return TYPE_INT; |
| |
| case GL_ATOMIC_COUNTER_BUFFER_BINDING: |
| if (!ctx->Extensions.ARB_shader_atomic_counters) |
| goto invalid_enum; |
| if (index >= ctx->Const.MaxAtomicBufferBindings) |
| goto invalid_value; |
| v->value_int = ctx->AtomicBufferBindings[index].BufferObject->Name; |
| return TYPE_INT; |
| |
| case GL_ATOMIC_COUNTER_BUFFER_START: |
| if (!ctx->Extensions.ARB_shader_atomic_counters) |
| goto invalid_enum; |
| if (index >= ctx->Const.MaxAtomicBufferBindings) |
| goto invalid_value; |
| v->value_int64 = ctx->AtomicBufferBindings[index].Offset; |
| return TYPE_INT64; |
| |
| case GL_ATOMIC_COUNTER_BUFFER_SIZE: |
| if (!ctx->Extensions.ARB_shader_atomic_counters) |
| goto invalid_enum; |
| if (index >= ctx->Const.MaxAtomicBufferBindings) |
| goto invalid_value; |
| v->value_int64 = ctx->AtomicBufferBindings[index].Size; |
| return TYPE_INT64; |
| |
| case GL_VERTEX_BINDING_DIVISOR: |
| if ((!_mesa_is_desktop_gl(ctx) || !ctx->Extensions.ARB_instanced_arrays) && |
| !_mesa_is_gles31(ctx)) |
| goto invalid_enum; |
| if (index >= ctx->Const.Program[MESA_SHADER_VERTEX].MaxAttribs) |
| goto invalid_value; |
| v->value_int = ctx->Array.VAO->VertexBinding[VERT_ATTRIB_GENERIC(index)].InstanceDivisor; |
| return TYPE_INT; |
| |
| case GL_VERTEX_BINDING_OFFSET: |
| if (!_mesa_is_desktop_gl(ctx) && !_mesa_is_gles31(ctx)) |
| goto invalid_enum; |
| if (index >= ctx->Const.Program[MESA_SHADER_VERTEX].MaxAttribs) |
| goto invalid_value; |
| v->value_int = ctx->Array.VAO->VertexBinding[VERT_ATTRIB_GENERIC(index)].Offset; |
| return TYPE_INT; |
| |
| case GL_VERTEX_BINDING_STRIDE: |
| if (!_mesa_is_desktop_gl(ctx) && !_mesa_is_gles31(ctx)) |
| goto invalid_enum; |
| if (index >= ctx->Const.Program[MESA_SHADER_VERTEX].MaxAttribs) |
| goto invalid_value; |
| v->value_int = ctx->Array.VAO->VertexBinding[VERT_ATTRIB_GENERIC(index)].Stride; |
| return TYPE_INT; |
| |
| case GL_VERTEX_BINDING_BUFFER: |
| if (ctx->API == API_OPENGLES2 && ctx->Version < 31) |
| goto invalid_enum; |
| if (index >= ctx->Const.Program[MESA_SHADER_VERTEX].MaxAttribs) |
| goto invalid_value; |
| v->value_int = ctx->Array.VAO->VertexBinding[VERT_ATTRIB_GENERIC(index)].BufferObj->Name; |
| return TYPE_INT; |
| |
| /* ARB_shader_image_load_store */ |
| case GL_IMAGE_BINDING_NAME: { |
| struct gl_texture_object *t; |
| |
| if (!ctx->Extensions.ARB_shader_image_load_store) |
| goto invalid_enum; |
| if (index >= ctx->Const.MaxImageUnits) |
| goto invalid_value; |
| |
| t = ctx->ImageUnits[index].TexObj; |
| v->value_int = (t ? t->Name : 0); |
| return TYPE_INT; |
| } |
| |
| case GL_IMAGE_BINDING_LEVEL: |
| if (!ctx->Extensions.ARB_shader_image_load_store) |
| goto invalid_enum; |
| if (index >= ctx->Const.MaxImageUnits) |
| goto invalid_value; |
| |
| v->value_int = ctx->ImageUnits[index].Level; |
| return TYPE_INT; |
| |
| case GL_IMAGE_BINDING_LAYERED: |
| if (!ctx->Extensions.ARB_shader_image_load_store) |
| goto invalid_enum; |
| if (index >= ctx->Const.MaxImageUnits) |
| goto invalid_value; |
| |
| v->value_int = ctx->ImageUnits[index].Layered; |
| return TYPE_INT; |
| |
| case GL_IMAGE_BINDING_LAYER: |
| if (!ctx->Extensions.ARB_shader_image_load_store) |
| goto invalid_enum; |
| if (index >= ctx->Const.MaxImageUnits) |
| goto invalid_value; |
| |
| v->value_int = ctx->ImageUnits[index].Layer; |
| return TYPE_INT; |
| |
| case GL_IMAGE_BINDING_ACCESS: |
| if (!ctx->Extensions.ARB_shader_image_load_store) |
| goto invalid_enum; |
| if (index >= ctx->Const.MaxImageUnits) |
| goto invalid_value; |
| |
| v->value_int = ctx->ImageUnits[index].Access; |
| return TYPE_INT; |
| |
| case GL_IMAGE_BINDING_FORMAT: |
| if (!ctx->Extensions.ARB_shader_image_load_store) |
| goto invalid_enum; |
| if (index >= ctx->Const.MaxImageUnits) |
| goto invalid_value; |
| |
| v->value_int = ctx->ImageUnits[index].Format; |
| return TYPE_INT; |
| |
| /* ARB_direct_state_access */ |
| case GL_TEXTURE_BINDING_1D: |
| case GL_TEXTURE_BINDING_1D_ARRAY: |
| case GL_TEXTURE_BINDING_2D: |
| case GL_TEXTURE_BINDING_2D_ARRAY: |
| case GL_TEXTURE_BINDING_2D_MULTISAMPLE: |
| case GL_TEXTURE_BINDING_2D_MULTISAMPLE_ARRAY: |
| case GL_TEXTURE_BINDING_3D: |
| case GL_TEXTURE_BINDING_BUFFER: |
| case GL_TEXTURE_BINDING_CUBE_MAP: |
| case GL_TEXTURE_BINDING_CUBE_MAP_ARRAY: |
| case GL_TEXTURE_BINDING_RECTANGLE: { |
| int target; |
| |
| if (ctx->API != API_OPENGL_CORE) |
| goto invalid_enum; |
| target = tex_binding_to_index(ctx, pname); |
| if (target < 0) |
| goto invalid_enum; |
| if (index >= _mesa_max_tex_unit(ctx)) |
| goto invalid_value; |
| |
| v->value_int = ctx->Texture.Unit[index].CurrentTex[target]->Name; |
| return TYPE_INT; |
| } |
| |
| case GL_SAMPLER_BINDING: { |
| struct gl_sampler_object *samp; |
| |
| if (ctx->API != API_OPENGL_CORE) |
| goto invalid_enum; |
| if (index >= _mesa_max_tex_unit(ctx)) |
| goto invalid_value; |
| |
| samp = ctx->Texture.Unit[index].Sampler; |
| v->value_int = samp ? samp->Name : 0; |
| return TYPE_INT; |
| } |
| |
| case GL_MAX_COMPUTE_WORK_GROUP_COUNT: |
| if (!_mesa_has_compute_shaders(ctx)) |
| goto invalid_enum; |
| if (index >= 3) |
| goto invalid_value; |
| v->value_int = ctx->Const.MaxComputeWorkGroupCount[index]; |
| return TYPE_INT; |
| |
| case GL_MAX_COMPUTE_WORK_GROUP_SIZE: |
| if (!_mesa_has_compute_shaders(ctx)) |
| goto invalid_enum; |
| if (index >= 3) |
| goto invalid_value; |
| v->value_int = ctx->Const.MaxComputeWorkGroupSize[index]; |
| return TYPE_INT; |
| } |
| |
| invalid_enum: |
| _mesa_error(ctx, GL_INVALID_ENUM, "%s(pname=%s)", func, |
| _mesa_enum_to_string(pname)); |
| return TYPE_INVALID; |
| invalid_value: |
| _mesa_error(ctx, GL_INVALID_VALUE, "%s(pname=%s)", func, |
| _mesa_enum_to_string(pname)); |
| return TYPE_INVALID; |
| } |
| |
| void GLAPIENTRY |
| _mesa_GetBooleani_v( GLenum pname, GLuint index, GLboolean *params ) |
| { |
| union value v; |
| enum value_type type = |
| find_value_indexed("glGetBooleani_v", pname, index, &v); |
| |
| switch (type) { |
| case TYPE_INT: |
| params[0] = INT_TO_BOOLEAN(v.value_int); |
| break; |
| case TYPE_INT_4: |
| params[0] = INT_TO_BOOLEAN(v.value_int_4[0]); |
| params[1] = INT_TO_BOOLEAN(v.value_int_4[1]); |
| params[2] = INT_TO_BOOLEAN(v.value_int_4[2]); |
| params[3] = INT_TO_BOOLEAN(v.value_int_4[3]); |
| break; |
| case TYPE_INT64: |
| params[0] = INT64_TO_BOOLEAN(v.value_int64); |
| break; |
| default: |
| ; /* nothing - GL error was recorded */ |
| } |
| } |
| |
| void GLAPIENTRY |
| _mesa_GetIntegeri_v( GLenum pname, GLuint index, GLint *params ) |
| { |
| union value v; |
| enum value_type type = |
| find_value_indexed("glGetIntegeri_v", pname, index, &v); |
| |
| switch (type) { |
| case TYPE_FLOAT_4: |
| case TYPE_FLOATN_4: |
| params[3] = IROUND(v.value_float_4[3]); |
| case TYPE_FLOAT_3: |
| case TYPE_FLOATN_3: |
| params[2] = IROUND(v.value_float_4[2]); |
| case TYPE_FLOAT_2: |
| case TYPE_FLOATN_2: |
| params[1] = IROUND(v.value_float_4[1]); |
| case TYPE_FLOAT: |
| case TYPE_FLOATN: |
| params[0] = IROUND(v.value_float_4[0]); |
| break; |
| |
| case TYPE_DOUBLEN_2: |
| params[1] = IROUND(v.value_double_2[1]); |
| case TYPE_DOUBLEN: |
| params[0] = IROUND(v.value_double_2[0]); |
| break; |
| |
| case TYPE_INT: |
| params[0] = v.value_int; |
| break; |
| case TYPE_INT_4: |
| params[0] = v.value_int_4[0]; |
| params[1] = v.value_int_4[1]; |
| params[2] = v.value_int_4[2]; |
| params[3] = v.value_int_4[3]; |
| break; |
| case TYPE_INT64: |
| params[0] = INT64_TO_INT(v.value_int64); |
| break; |
| default: |
| ; /* nothing - GL error was recorded */ |
| } |
| } |
| |
| void GLAPIENTRY |
| _mesa_GetInteger64i_v( GLenum pname, GLuint index, GLint64 *params ) |
| { |
| union value v; |
| enum value_type type = |
| find_value_indexed("glGetInteger64i_v", pname, index, &v); |
| |
| switch (type) { |
| case TYPE_INT: |
| params[0] = v.value_int; |
| break; |
| case TYPE_INT_4: |
| params[0] = v.value_int_4[0]; |
| params[1] = v.value_int_4[1]; |
| params[2] = v.value_int_4[2]; |
| params[3] = v.value_int_4[3]; |
| break; |
| case TYPE_INT64: |
| params[0] = v.value_int64; |
| break; |
| default: |
| ; /* nothing - GL error was recorded */ |
| } |
| } |
| |
| void GLAPIENTRY |
| _mesa_GetFloati_v(GLenum pname, GLuint index, GLfloat *params) |
| { |
| int i; |
| GLmatrix *m; |
| union value v; |
| enum value_type type = |
| find_value_indexed("glGetFloati_v", pname, index, &v); |
| |
| switch (type) { |
| case TYPE_FLOAT_4: |
| case TYPE_FLOATN_4: |
| params[3] = v.value_float_4[3]; |
| case TYPE_FLOAT_3: |
| case TYPE_FLOATN_3: |
| params[2] = v.value_float_4[2]; |
| case TYPE_FLOAT_2: |
| case TYPE_FLOATN_2: |
| params[1] = v.value_float_4[1]; |
| case TYPE_FLOAT: |
| case TYPE_FLOATN: |
| params[0] = v.value_float_4[0]; |
| break; |
| |
| case TYPE_DOUBLEN_2: |
| params[1] = (GLfloat) v.value_double_2[1]; |
| case TYPE_DOUBLEN: |
| params[0] = (GLfloat) v.value_double_2[0]; |
| break; |
| |
| case TYPE_INT_4: |
| params[3] = (GLfloat) v.value_int_4[3]; |
| case TYPE_INT_3: |
| params[2] = (GLfloat) v.value_int_4[2]; |
| case TYPE_INT_2: |
| case TYPE_ENUM_2: |
| params[1] = (GLfloat) v.value_int_4[1]; |
| case TYPE_INT: |
| case TYPE_ENUM: |
| params[0] = (GLfloat) v.value_int_4[0]; |
| break; |
| |
| case TYPE_INT_N: |
| for (i = 0; i < v.value_int_n.n; i++) |
| params[i] = INT_TO_FLOAT(v.value_int_n.ints[i]); |
| break; |
| |
| case TYPE_INT64: |
| params[0] = (GLfloat) v.value_int64; |
| break; |
| |
| case TYPE_BOOLEAN: |
| params[0] = BOOLEAN_TO_FLOAT(v.value_bool); |
| break; |
| |
| case TYPE_MATRIX: |
| m = *(GLmatrix **) &v; |
| for (i = 0; i < 16; i++) |
| params[i] = m->m[i]; |
| break; |
| |
| case TYPE_MATRIX_T: |
| m = *(GLmatrix **) &v; |
| for (i = 0; i < 16; i++) |
| params[i] = m->m[transpose[i]]; |
| break; |
| |
| default: |
| ; |
| } |
| } |
| |
| void GLAPIENTRY |
| _mesa_GetDoublei_v(GLenum pname, GLuint index, GLdouble *params) |
| { |
| int i; |
| GLmatrix *m; |
| union value v; |
| enum value_type type = |
| find_value_indexed("glGetDoublei_v", pname, index, &v); |
| |
| switch (type) { |
| case TYPE_FLOAT_4: |
| case TYPE_FLOATN_4: |
| params[3] = (GLdouble) v.value_float_4[3]; |
| case TYPE_FLOAT_3: |
| case TYPE_FLOATN_3: |
| params[2] = (GLdouble) v.value_float_4[2]; |
| case TYPE_FLOAT_2: |
| case TYPE_FLOATN_2: |
| params[1] = (GLdouble) v.value_float_4[1]; |
| case TYPE_FLOAT: |
| case TYPE_FLOATN: |
| params[0] = (GLdouble) v.value_float_4[0]; |
| break; |
| |
| case TYPE_DOUBLEN_2: |
| params[1] = v.value_double_2[1]; |
| case TYPE_DOUBLEN: |
| params[0] = v.value_double_2[0]; |
| break; |
| |
| case TYPE_INT_4: |
| params[3] = (GLdouble) v.value_int_4[3]; |
| case TYPE_INT_3: |
| params[2] = (GLdouble) v.value_int_4[2]; |
| case TYPE_INT_2: |
| case TYPE_ENUM_2: |
| params[1] = (GLdouble) v.value_int_4[1]; |
| case TYPE_INT: |
| case TYPE_ENUM: |
| params[0] = (GLdouble) v.value_int_4[0]; |
| break; |
| |
| case TYPE_INT_N: |
| for (i = 0; i < v.value_int_n.n; i++) |
| params[i] = (GLdouble) INT_TO_FLOAT(v.value_int_n.ints[i]); |
| break; |
| |
| case TYPE_INT64: |
| params[0] = (GLdouble) v.value_int64; |
| break; |
| |
| case TYPE_BOOLEAN: |
| params[0] = (GLdouble) BOOLEAN_TO_FLOAT(v.value_bool); |
| break; |
| |
| case TYPE_MATRIX: |
| m = *(GLmatrix **) &v; |
| for (i = 0; i < 16; i++) |
| params[i] = (GLdouble) m->m[i]; |
| break; |
| |
| case TYPE_MATRIX_T: |
| m = *(GLmatrix **) &v; |
| for (i = 0; i < 16; i++) |
| params[i] = (GLdouble) m->m[transpose[i]]; |
| break; |
| |
| default: |
| ; |
| } |
| } |
| |
| void GLAPIENTRY |
| _mesa_GetFixedv(GLenum pname, GLfixed *params) |
| { |
| const struct value_desc *d; |
| union value v; |
| GLmatrix *m; |
| int shift, i; |
| void *p; |
| |
| d = find_value("glGetDoublev", pname, &p, &v); |
| switch (d->type) { |
| case TYPE_INVALID: |
| break; |
| case TYPE_CONST: |
| params[0] = INT_TO_FIXED(d->offset); |
| break; |
| |
| case TYPE_FLOAT_4: |
| case TYPE_FLOATN_4: |
| params[3] = FLOAT_TO_FIXED(((GLfloat *) p)[3]); |
| case TYPE_FLOAT_3: |
| case TYPE_FLOATN_3: |
| params[2] = FLOAT_TO_FIXED(((GLfloat *) p)[2]); |
| case TYPE_FLOAT_2: |
| case TYPE_FLOATN_2: |
| params[1] = FLOAT_TO_FIXED(((GLfloat *) p)[1]); |
| case TYPE_FLOAT: |
| case TYPE_FLOATN: |
| params[0] = FLOAT_TO_FIXED(((GLfloat *) p)[0]); |
| break; |
| |
| case TYPE_DOUBLEN_2: |
| params[1] = FLOAT_TO_FIXED(((GLdouble *) p)[1]); |
| case TYPE_DOUBLEN: |
| params[0] = FLOAT_TO_FIXED(((GLdouble *) p)[0]); |
| break; |
| |
| case TYPE_INT_4: |
| params[3] = INT_TO_FIXED(((GLint *) p)[3]); |
| case TYPE_INT_3: |
| params[2] = INT_TO_FIXED(((GLint *) p)[2]); |
| case TYPE_INT_2: |
| case TYPE_ENUM_2: |
| params[1] = INT_TO_FIXED(((GLint *) p)[1]); |
| case TYPE_INT: |
| case TYPE_ENUM: |
| params[0] = INT_TO_FIXED(((GLint *) p)[0]); |
| break; |
| |
| case TYPE_INT_N: |
| for (i = 0; i < v.value_int_n.n; i++) |
| params[i] = INT_TO_FIXED(v.value_int_n.ints[i]); |
| break; |
| |
| case TYPE_INT64: |
| params[0] = ((GLint64 *) p)[0]; |
| break; |
| |
| case TYPE_BOOLEAN: |
| params[0] = BOOLEAN_TO_FIXED(((GLboolean*) p)[0]); |
| break; |
| |
| case TYPE_MATRIX: |
| m = *(GLmatrix **) p; |
| for (i = 0; i < 16; i++) |
| params[i] = FLOAT_TO_FIXED(m->m[i]); |
| break; |
| |
| case TYPE_MATRIX_T: |
| m = *(GLmatrix **) p; |
| for (i = 0; i < 16; i++) |
| params[i] = FLOAT_TO_FIXED(m->m[transpose[i]]); |
| break; |
| |
| case TYPE_BIT_0: |
| case TYPE_BIT_1: |
| case TYPE_BIT_2: |
| case TYPE_BIT_3: |
| case TYPE_BIT_4: |
| case TYPE_BIT_5: |
| case TYPE_BIT_6: |
| case TYPE_BIT_7: |
| shift = d->type - TYPE_BIT_0; |
| params[0] = BOOLEAN_TO_FIXED((*(GLbitfield *) p >> shift) & 1); |
| break; |
| } |
| } |