| /************************************************************************** |
| * |
| * Copyright 2008 VMware, Inc. |
| * All Rights Reserved. |
| * |
| * 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, sub license, 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 (including the |
| * next paragraph) 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 NON-INFRINGEMENT. |
| * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS 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. |
| * |
| **************************************************************************/ |
| |
| |
| #include "compiler/nir/nir.h" |
| #include "util/u_memory.h" |
| #include "util/format/u_format.h" |
| #include "util/format/u_format_s3tc.h" |
| #include "util/u_screen.h" |
| #include "util/u_video.h" |
| #include "util/os_misc.h" |
| #include "util/os_time.h" |
| #include "pipe/p_defines.h" |
| #include "pipe/p_screen.h" |
| #include "draw/draw_context.h" |
| |
| #include "frontend/sw_winsys.h" |
| #include "tgsi/tgsi_exec.h" |
| |
| #include "sp_texture.h" |
| #include "sp_screen.h" |
| #include "sp_context.h" |
| #include "sp_fence.h" |
| #include "sp_public.h" |
| |
| static const struct debug_named_value sp_debug_options[] = { |
| {"vs", SP_DBG_VS, "dump vertex shader assembly to stderr"}, |
| {"gs", SP_DBG_GS, "dump geometry shader assembly to stderr"}, |
| {"fs", SP_DBG_FS, "dump fragment shader assembly to stderr"}, |
| {"cs", SP_DBG_CS, "dump compute shader assembly to stderr"}, |
| {"no_rast", SP_DBG_NO_RAST, "no-ops rasterization, for profiling purposes"}, |
| {"use_llvm", SP_DBG_USE_LLVM, "Use LLVM if available for shaders"}, |
| {"use_tgsi", SP_DBG_USE_TGSI, "Request TGSI from the API instead of NIR"}, |
| }; |
| |
| int sp_debug; |
| DEBUG_GET_ONCE_FLAGS_OPTION(sp_debug, "SOFTPIPE_DEBUG", sp_debug_options, 0) |
| |
| static const char * |
| softpipe_get_vendor(struct pipe_screen *screen) |
| { |
| return "Mesa/X.org"; |
| } |
| |
| |
| static const char * |
| softpipe_get_name(struct pipe_screen *screen) |
| { |
| return "softpipe"; |
| } |
| |
| static const nir_shader_compiler_options sp_compiler_options = { |
| .fuse_ffma32 = true, |
| .fuse_ffma64 = true, |
| .lower_extract_byte = true, |
| .lower_extract_word = true, |
| .lower_fdph = true, |
| .lower_flrp64 = true, |
| .lower_fmod = true, |
| .lower_rotate = true, |
| .lower_sub = true, |
| .lower_vector_cmp = true, |
| .use_interpolated_input_intrinsics = true, |
| }; |
| |
| static const void * |
| softpipe_get_compiler_options(struct pipe_screen *pscreen, |
| enum pipe_shader_ir ir, |
| enum pipe_shader_type shader) |
| { |
| assert(ir == PIPE_SHADER_IR_NIR); |
| return &sp_compiler_options; |
| } |
| |
| static int |
| softpipe_get_param(struct pipe_screen *screen, enum pipe_cap param) |
| { |
| struct softpipe_screen *sp_screen = softpipe_screen(screen); |
| switch (param) { |
| case PIPE_CAP_NPOT_TEXTURES: |
| case PIPE_CAP_MIXED_FRAMEBUFFER_SIZES: |
| case PIPE_CAP_MIXED_COLOR_DEPTH_BITS: |
| return 1; |
| case PIPE_CAP_FRAGMENT_SHADER_TEXTURE_LOD: |
| case PIPE_CAP_FRAGMENT_SHADER_DERIVATIVES: |
| case PIPE_CAP_VERTEX_SHADER_SATURATE: |
| return 1; |
| case PIPE_CAP_ANISOTROPIC_FILTER: |
| return 1; |
| case PIPE_CAP_POINT_SPRITE: |
| return 1; |
| case PIPE_CAP_MAX_RENDER_TARGETS: |
| return PIPE_MAX_COLOR_BUFS; |
| case PIPE_CAP_MAX_DUAL_SOURCE_RENDER_TARGETS: |
| return 1; |
| case PIPE_CAP_OCCLUSION_QUERY: |
| return 1; |
| case PIPE_CAP_QUERY_TIME_ELAPSED: |
| return 1; |
| case PIPE_CAP_QUERY_PIPELINE_STATISTICS: |
| return 1; |
| case PIPE_CAP_TEXTURE_MIRROR_CLAMP: |
| case PIPE_CAP_TEXTURE_MIRROR_CLAMP_TO_EDGE: |
| return 1; |
| case PIPE_CAP_TEXTURE_SWIZZLE: |
| return 1; |
| case PIPE_CAP_MAX_TEXTURE_2D_SIZE: |
| return 1 << (SP_MAX_TEXTURE_2D_LEVELS - 1); |
| case PIPE_CAP_MAX_TEXTURE_3D_LEVELS: |
| return SP_MAX_TEXTURE_3D_LEVELS; |
| case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS: |
| return SP_MAX_TEXTURE_CUBE_LEVELS; |
| case PIPE_CAP_BLEND_EQUATION_SEPARATE: |
| return 1; |
| case PIPE_CAP_INDEP_BLEND_ENABLE: |
| return 1; |
| case PIPE_CAP_INDEP_BLEND_FUNC: |
| return 1; |
| case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT: |
| case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT: |
| case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER: |
| case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER: |
| return 1; |
| case PIPE_CAP_DEPTH_CLIP_DISABLE: |
| return 1; |
| case PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS: |
| return PIPE_MAX_SO_BUFFERS; |
| case PIPE_CAP_MAX_STREAM_OUTPUT_SEPARATE_COMPONENTS: |
| case PIPE_CAP_MAX_STREAM_OUTPUT_INTERLEAVED_COMPONENTS: |
| return 16*4; |
| case PIPE_CAP_MAX_GEOMETRY_OUTPUT_VERTICES: |
| case PIPE_CAP_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS: |
| return 1024; |
| case PIPE_CAP_MAX_VERTEX_STREAMS: |
| if (sp_screen->use_llvm) |
| return 1; |
| else |
| return PIPE_MAX_VERTEX_STREAMS; |
| case PIPE_CAP_MAX_VERTEX_ATTRIB_STRIDE: |
| return 2048; |
| case PIPE_CAP_PRIMITIVE_RESTART: |
| case PIPE_CAP_PRIMITIVE_RESTART_FIXED_INDEX: |
| return 1; |
| case PIPE_CAP_SHADER_STENCIL_EXPORT: |
| return 1; |
| case PIPE_CAP_TGSI_ATOMFADD: |
| case PIPE_CAP_TGSI_INSTANCEID: |
| case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR: |
| case PIPE_CAP_START_INSTANCE: |
| return 1; |
| case PIPE_CAP_SEAMLESS_CUBE_MAP: |
| case PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE: |
| return 1; |
| case PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS: |
| return 256; /* for GL3 */ |
| case PIPE_CAP_MIN_TEXEL_OFFSET: |
| return -8; |
| case PIPE_CAP_MAX_TEXEL_OFFSET: |
| return 7; |
| case PIPE_CAP_CONDITIONAL_RENDER: |
| case PIPE_CAP_FRAGMENT_COLOR_CLAMPED: |
| case PIPE_CAP_VERTEX_COLOR_UNCLAMPED: /* draw module */ |
| case PIPE_CAP_VERTEX_COLOR_CLAMPED: /* draw module */ |
| return 1; |
| case PIPE_CAP_MIXED_COLORBUFFER_FORMATS: |
| return 1; |
| case PIPE_CAP_GLSL_FEATURE_LEVEL: |
| return 400; |
| case PIPE_CAP_GLSL_FEATURE_LEVEL_COMPATIBILITY: |
| return 140; |
| case PIPE_CAP_COMPUTE: |
| return 1; |
| case PIPE_CAP_USER_VERTEX_BUFFERS: |
| case PIPE_CAP_STREAM_OUTPUT_PAUSE_RESUME: |
| case PIPE_CAP_STREAM_OUTPUT_INTERLEAVE_BUFFERS: |
| case PIPE_CAP_TGSI_VS_LAYER_VIEWPORT: |
| case PIPE_CAP_DOUBLES: |
| case PIPE_CAP_INT64: |
| case PIPE_CAP_INT64_DIVMOD: |
| case PIPE_CAP_TGSI_DIV: |
| return 1; |
| case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT: |
| return 16; |
| case PIPE_CAP_MIN_MAP_BUFFER_ALIGNMENT: |
| return 64; |
| case PIPE_CAP_QUERY_TIMESTAMP: |
| case PIPE_CAP_CUBE_MAP_ARRAY: |
| return 1; |
| case PIPE_CAP_TEXTURE_BUFFER_OBJECTS: |
| return 1; |
| case PIPE_CAP_MAX_TEXTURE_BUFFER_SIZE: |
| return 65536; |
| case PIPE_CAP_TEXTURE_BUFFER_OFFSET_ALIGNMENT: |
| return 16; |
| case PIPE_CAP_PREFER_BLIT_BASED_TEXTURE_TRANSFER: |
| return 0; |
| case PIPE_CAP_MAX_VIEWPORTS: |
| return PIPE_MAX_VIEWPORTS; |
| case PIPE_CAP_ENDIANNESS: |
| return PIPE_ENDIAN_NATIVE; |
| case PIPE_CAP_MAX_TEXTURE_GATHER_COMPONENTS: |
| return 4; |
| case PIPE_CAP_TEXTURE_GATHER_SM5: |
| case PIPE_CAP_TEXTURE_QUERY_LOD: |
| return 1; |
| case PIPE_CAP_TGSI_VS_WINDOW_SPACE_POSITION: |
| return 1; |
| case PIPE_CAP_TGSI_FS_FINE_DERIVATIVE: |
| return 1; |
| case PIPE_CAP_SAMPLER_VIEW_TARGET: |
| return 1; |
| case PIPE_CAP_FAKE_SW_MSAA: |
| return 1; |
| case PIPE_CAP_MIN_TEXTURE_GATHER_OFFSET: |
| return -32; |
| case PIPE_CAP_MAX_TEXTURE_GATHER_OFFSET: |
| return 31; |
| case PIPE_CAP_DRAW_INDIRECT: |
| return 1; |
| case PIPE_CAP_QUERY_SO_OVERFLOW: |
| return 1; |
| case PIPE_CAP_NIR_IMAGES_AS_DEREF: |
| return 0; |
| |
| case PIPE_CAP_VENDOR_ID: |
| return 0xFFFFFFFF; |
| case PIPE_CAP_DEVICE_ID: |
| return 0xFFFFFFFF; |
| case PIPE_CAP_ACCELERATED: |
| return 0; |
| case PIPE_CAP_VIDEO_MEMORY: { |
| /* XXX: Do we want to return the full amount fo system memory ? */ |
| uint64_t system_memory; |
| |
| if (!os_get_total_physical_memory(&system_memory)) |
| return 0; |
| |
| if (sizeof(void *) == 4) |
| /* Cap to 2 GB on 32 bits system. We do this because softpipe does |
| * eat application memory, which is quite limited on 32 bits. App |
| * shouldn't expect too much available memory. */ |
| system_memory = MIN2(system_memory, 2048 << 20); |
| |
| return (int)(system_memory >> 20); |
| } |
| case PIPE_CAP_UMA: |
| return 0; |
| case PIPE_CAP_CONDITIONAL_RENDER_INVERTED: |
| return 1; |
| case PIPE_CAP_CLIP_HALFZ: |
| case PIPE_CAP_TEXTURE_FLOAT_LINEAR: |
| case PIPE_CAP_TEXTURE_HALF_FLOAT_LINEAR: |
| return 1; |
| case PIPE_CAP_FRAMEBUFFER_NO_ATTACHMENT: |
| case PIPE_CAP_CULL_DISTANCE: |
| case PIPE_CAP_COPY_BETWEEN_COMPRESSED_AND_PLAIN_FORMATS: |
| case PIPE_CAP_TGSI_ARRAY_COMPONENTS: |
| case PIPE_CAP_TGSI_TEXCOORD: |
| case PIPE_CAP_TGSI_ANY_REG_AS_ADDRESS: |
| return 1; |
| case PIPE_CAP_CLEAR_TEXTURE: |
| return 1; |
| case PIPE_CAP_MAX_VARYINGS: |
| return TGSI_EXEC_MAX_INPUT_ATTRIBS; |
| case PIPE_CAP_PCI_GROUP: |
| case PIPE_CAP_PCI_BUS: |
| case PIPE_CAP_PCI_DEVICE: |
| case PIPE_CAP_PCI_FUNCTION: |
| return 0; |
| case PIPE_CAP_MAX_GS_INVOCATIONS: |
| return 32; |
| case PIPE_CAP_MAX_SHADER_BUFFER_SIZE: |
| return 1 << 27; |
| case PIPE_CAP_SHADER_BUFFER_OFFSET_ALIGNMENT: |
| return 4; |
| default: |
| return u_pipe_screen_get_param_defaults(screen, param); |
| } |
| } |
| |
| static int |
| softpipe_get_shader_param(struct pipe_screen *screen, |
| enum pipe_shader_type shader, |
| enum pipe_shader_cap param) |
| { |
| struct softpipe_screen *sp_screen = softpipe_screen(screen); |
| |
| switch (param) { |
| case PIPE_SHADER_CAP_PREFERRED_IR: |
| return (sp_debug & SP_DBG_USE_TGSI) ? PIPE_SHADER_IR_TGSI : PIPE_SHADER_IR_NIR; |
| case PIPE_SHADER_CAP_SUPPORTED_IRS: |
| return (1 << PIPE_SHADER_IR_NIR) | (1 << PIPE_SHADER_IR_TGSI); |
| default: |
| break; |
| } |
| |
| switch(shader) |
| { |
| case PIPE_SHADER_FRAGMENT: |
| return tgsi_exec_get_shader_param(param); |
| case PIPE_SHADER_COMPUTE: |
| return tgsi_exec_get_shader_param(param); |
| case PIPE_SHADER_VERTEX: |
| case PIPE_SHADER_GEOMETRY: |
| if (sp_screen->use_llvm) |
| return draw_get_shader_param(shader, param); |
| else |
| return draw_get_shader_param_no_llvm(shader, param); |
| default: |
| return 0; |
| } |
| } |
| |
| static float |
| softpipe_get_paramf(struct pipe_screen *screen, enum pipe_capf param) |
| { |
| switch (param) { |
| case PIPE_CAPF_MAX_LINE_WIDTH: |
| /* fall-through */ |
| case PIPE_CAPF_MAX_LINE_WIDTH_AA: |
| return 255.0; /* arbitrary */ |
| case PIPE_CAPF_MAX_POINT_WIDTH: |
| /* fall-through */ |
| case PIPE_CAPF_MAX_POINT_WIDTH_AA: |
| return 255.0; /* arbitrary */ |
| case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY: |
| return 16.0; |
| case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS: |
| return 16.0; /* arbitrary */ |
| case PIPE_CAPF_MIN_CONSERVATIVE_RASTER_DILATE: |
| return 0.0; |
| case PIPE_CAPF_MAX_CONSERVATIVE_RASTER_DILATE: |
| return 0.0; |
| case PIPE_CAPF_CONSERVATIVE_RASTER_DILATE_GRANULARITY: |
| return 0.0; |
| } |
| /* should only get here on unhandled cases */ |
| debug_printf("Unexpected PIPE_CAPF %d query\n", param); |
| return 0.0; |
| } |
| |
| /** |
| * Query format support for creating a texture, drawing surface, etc. |
| * \param format the format to test |
| * \param type one of PIPE_TEXTURE, PIPE_SURFACE |
| */ |
| static bool |
| softpipe_is_format_supported( struct pipe_screen *screen, |
| enum pipe_format format, |
| enum pipe_texture_target target, |
| unsigned sample_count, |
| unsigned storage_sample_count, |
| unsigned bind) |
| { |
| struct sw_winsys *winsys = softpipe_screen(screen)->winsys; |
| const struct util_format_description *format_desc; |
| |
| assert(target == PIPE_BUFFER || |
| target == PIPE_TEXTURE_1D || |
| target == PIPE_TEXTURE_1D_ARRAY || |
| target == PIPE_TEXTURE_2D || |
| target == PIPE_TEXTURE_2D_ARRAY || |
| target == PIPE_TEXTURE_RECT || |
| target == PIPE_TEXTURE_3D || |
| target == PIPE_TEXTURE_CUBE || |
| target == PIPE_TEXTURE_CUBE_ARRAY); |
| |
| if (MAX2(1, sample_count) != MAX2(1, storage_sample_count)) |
| return false; |
| |
| format_desc = util_format_description(format); |
| if (!format_desc) |
| return false; |
| |
| if (sample_count > 1) |
| return false; |
| |
| if (bind & (PIPE_BIND_DISPLAY_TARGET | |
| PIPE_BIND_SCANOUT | |
| PIPE_BIND_SHARED)) { |
| if(!winsys->is_displaytarget_format_supported(winsys, bind, format)) |
| return false; |
| } |
| |
| if (bind & PIPE_BIND_RENDER_TARGET) { |
| if (format_desc->colorspace == UTIL_FORMAT_COLORSPACE_ZS) |
| return false; |
| |
| /* |
| * Although possible, it is unnatural to render into compressed or YUV |
| * surfaces. So disable these here to avoid going into weird paths |
| * inside gallium frontends. |
| */ |
| if (format_desc->block.width != 1 || |
| format_desc->block.height != 1) |
| return false; |
| } |
| |
| if (bind & PIPE_BIND_DEPTH_STENCIL) { |
| if (format_desc->colorspace != UTIL_FORMAT_COLORSPACE_ZS) |
| return false; |
| } |
| |
| if (format_desc->layout == UTIL_FORMAT_LAYOUT_ASTC || |
| format_desc->layout == UTIL_FORMAT_LAYOUT_ATC) { |
| /* Software decoding is not hooked up. */ |
| return false; |
| } |
| |
| if ((bind & (PIPE_BIND_RENDER_TARGET | PIPE_BIND_SAMPLER_VIEW)) && |
| ((bind & PIPE_BIND_DISPLAY_TARGET) == 0) && |
| target != PIPE_BUFFER) { |
| const struct util_format_description *desc = |
| util_format_description(format); |
| if (desc->nr_channels == 3 && desc->is_array) { |
| /* Don't support any 3-component formats for rendering/texturing |
| * since we don't support the corresponding 8-bit 3 channel UNORM |
| * formats. This allows us to support GL_ARB_copy_image between |
| * GL_RGB8 and GL_RGB8UI, for example. Otherwise, we may be asked to |
| * do a resource copy between PIPE_FORMAT_R8G8B8_UINT and |
| * PIPE_FORMAT_R8G8B8X8_UNORM, for example, which will not work |
| * (different bpp). |
| */ |
| return false; |
| } |
| } |
| |
| if (format_desc->layout == UTIL_FORMAT_LAYOUT_ETC && |
| format != PIPE_FORMAT_ETC1_RGB8) |
| return false; |
| |
| /* |
| * All other operations (sampling, transfer, etc). |
| */ |
| |
| /* |
| * Everything else should be supported by u_format. |
| */ |
| return true; |
| } |
| |
| |
| static void |
| softpipe_destroy_screen( struct pipe_screen *screen ) |
| { |
| struct softpipe_screen *sp_screen = softpipe_screen(screen); |
| struct sw_winsys *winsys = sp_screen->winsys; |
| |
| if(winsys->destroy) |
| winsys->destroy(winsys); |
| |
| FREE(screen); |
| } |
| |
| |
| /* This is often overriden by the co-state tracker. |
| */ |
| static void |
| softpipe_flush_frontbuffer(struct pipe_screen *_screen, |
| struct pipe_resource *resource, |
| unsigned level, unsigned layer, |
| void *context_private, |
| struct pipe_box *sub_box) |
| { |
| struct softpipe_screen *screen = softpipe_screen(_screen); |
| struct sw_winsys *winsys = screen->winsys; |
| struct softpipe_resource *texture = softpipe_resource(resource); |
| |
| assert(texture->dt); |
| if (texture->dt) |
| winsys->displaytarget_display(winsys, texture->dt, context_private, sub_box); |
| } |
| |
| static uint64_t |
| softpipe_get_timestamp(struct pipe_screen *_screen) |
| { |
| return os_time_get_nano(); |
| } |
| |
| static int |
| softpipe_get_compute_param(struct pipe_screen *_screen, |
| enum pipe_shader_ir ir_type, |
| enum pipe_compute_cap param, |
| void *ret) |
| { |
| switch (param) { |
| case PIPE_COMPUTE_CAP_IR_TARGET: |
| return 0; |
| case PIPE_COMPUTE_CAP_MAX_GRID_SIZE: |
| if (ret) { |
| uint64_t *grid_size = ret; |
| grid_size[0] = 65535; |
| grid_size[1] = 65535; |
| grid_size[2] = 65535; |
| } |
| return 3 * sizeof(uint64_t) ; |
| case PIPE_COMPUTE_CAP_MAX_BLOCK_SIZE: |
| if (ret) { |
| uint64_t *block_size = ret; |
| block_size[0] = 1024; |
| block_size[1] = 1024; |
| block_size[2] = 1024; |
| } |
| return 3 * sizeof(uint64_t); |
| case PIPE_COMPUTE_CAP_MAX_THREADS_PER_BLOCK: |
| if (ret) { |
| uint64_t *max_threads_per_block = ret; |
| *max_threads_per_block = 1024; |
| } |
| return sizeof(uint64_t); |
| case PIPE_COMPUTE_CAP_MAX_LOCAL_SIZE: |
| if (ret) { |
| uint64_t *max_local_size = ret; |
| *max_local_size = 32768; |
| } |
| return sizeof(uint64_t); |
| case PIPE_COMPUTE_CAP_GRID_DIMENSION: |
| case PIPE_COMPUTE_CAP_MAX_GLOBAL_SIZE: |
| case PIPE_COMPUTE_CAP_MAX_PRIVATE_SIZE: |
| case PIPE_COMPUTE_CAP_MAX_INPUT_SIZE: |
| case PIPE_COMPUTE_CAP_MAX_MEM_ALLOC_SIZE: |
| case PIPE_COMPUTE_CAP_MAX_CLOCK_FREQUENCY: |
| case PIPE_COMPUTE_CAP_MAX_COMPUTE_UNITS: |
| case PIPE_COMPUTE_CAP_IMAGES_SUPPORTED: |
| case PIPE_COMPUTE_CAP_SUBGROUP_SIZE: |
| case PIPE_COMPUTE_CAP_ADDRESS_BITS: |
| case PIPE_COMPUTE_CAP_MAX_VARIABLE_THREADS_PER_BLOCK: |
| break; |
| } |
| return 0; |
| } |
| |
| /** |
| * Create a new pipe_screen object |
| * Note: we're not presently subclassing pipe_screen (no softpipe_screen). |
| */ |
| struct pipe_screen * |
| softpipe_create_screen(struct sw_winsys *winsys) |
| { |
| struct softpipe_screen *screen = CALLOC_STRUCT(softpipe_screen); |
| |
| if (!screen) |
| return NULL; |
| |
| sp_debug = debug_get_option_sp_debug(); |
| |
| screen->winsys = winsys; |
| |
| screen->base.destroy = softpipe_destroy_screen; |
| |
| screen->base.get_name = softpipe_get_name; |
| screen->base.get_vendor = softpipe_get_vendor; |
| screen->base.get_device_vendor = softpipe_get_vendor; // TODO should be the CPU vendor |
| screen->base.get_param = softpipe_get_param; |
| screen->base.get_shader_param = softpipe_get_shader_param; |
| screen->base.get_paramf = softpipe_get_paramf; |
| screen->base.get_timestamp = softpipe_get_timestamp; |
| screen->base.is_format_supported = softpipe_is_format_supported; |
| screen->base.context_create = softpipe_create_context; |
| screen->base.flush_frontbuffer = softpipe_flush_frontbuffer; |
| screen->base.get_compute_param = softpipe_get_compute_param; |
| screen->base.get_compiler_options = softpipe_get_compiler_options; |
| screen->use_llvm = sp_debug & SP_DBG_USE_LLVM; |
| |
| softpipe_init_screen_texture_funcs(&screen->base); |
| softpipe_init_screen_fence_funcs(&screen->base); |
| |
| return &screen->base; |
| } |