| /* |
| * Copyright 2009 Joakim Sindholt <opensource@zhasha.com> |
| * Corbin Simpson <MostAwesomeDude@gmail.com> |
| * |
| * 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 |
| * on 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 |
| * THE AUTHOR(S) AND/OR THEIR 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. */ |
| |
| #ifndef R300_STATE_INLINES_H |
| #define R300_STATE_INLINES_H |
| |
| #include "draw/draw_vertex.h" |
| #include "pipe/p_format.h" |
| #include "util/format/u_format.h" |
| #include "r300_reg.h" |
| #include <stdio.h> |
| |
| /* Some maths. These should probably find their way to u_math, if needed. */ |
| |
| static inline int pack_float_16_6x(float f) { |
| return ((int)(f * 6.0) & 0xffff); |
| } |
| |
| /* Blend state. */ |
| |
| static inline uint32_t r300_translate_blend_function(int blend_func, |
| boolean clamp) |
| { |
| switch (blend_func) { |
| case PIPE_BLEND_ADD: |
| return clamp ? R300_COMB_FCN_ADD_CLAMP : R300_COMB_FCN_ADD_NOCLAMP; |
| case PIPE_BLEND_SUBTRACT: |
| return clamp ? R300_COMB_FCN_SUB_CLAMP : R300_COMB_FCN_SUB_NOCLAMP; |
| case PIPE_BLEND_REVERSE_SUBTRACT: |
| return clamp ? R300_COMB_FCN_RSUB_CLAMP : R300_COMB_FCN_RSUB_NOCLAMP; |
| case PIPE_BLEND_MIN: |
| return R300_COMB_FCN_MIN; |
| case PIPE_BLEND_MAX: |
| return R300_COMB_FCN_MAX; |
| default: |
| fprintf(stderr, "r300: Unknown blend function %d\n", blend_func); |
| assert(0); |
| break; |
| } |
| return 0; |
| } |
| |
| static inline uint32_t r300_translate_blend_factor(int blend_fact) |
| { |
| switch (blend_fact) { |
| case PIPE_BLENDFACTOR_ONE: |
| return R300_BLEND_GL_ONE; |
| case PIPE_BLENDFACTOR_SRC_COLOR: |
| return R300_BLEND_GL_SRC_COLOR; |
| case PIPE_BLENDFACTOR_SRC_ALPHA: |
| return R300_BLEND_GL_SRC_ALPHA; |
| case PIPE_BLENDFACTOR_DST_ALPHA: |
| return R300_BLEND_GL_DST_ALPHA; |
| case PIPE_BLENDFACTOR_DST_COLOR: |
| return R300_BLEND_GL_DST_COLOR; |
| case PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE: |
| return R300_BLEND_GL_SRC_ALPHA_SATURATE; |
| case PIPE_BLENDFACTOR_CONST_COLOR: |
| return R300_BLEND_GL_CONST_COLOR; |
| case PIPE_BLENDFACTOR_CONST_ALPHA: |
| return R300_BLEND_GL_CONST_ALPHA; |
| case PIPE_BLENDFACTOR_ZERO: |
| return R300_BLEND_GL_ZERO; |
| case PIPE_BLENDFACTOR_INV_SRC_COLOR: |
| return R300_BLEND_GL_ONE_MINUS_SRC_COLOR; |
| case PIPE_BLENDFACTOR_INV_SRC_ALPHA: |
| return R300_BLEND_GL_ONE_MINUS_SRC_ALPHA; |
| case PIPE_BLENDFACTOR_INV_DST_ALPHA: |
| return R300_BLEND_GL_ONE_MINUS_DST_ALPHA; |
| case PIPE_BLENDFACTOR_INV_DST_COLOR: |
| return R300_BLEND_GL_ONE_MINUS_DST_COLOR; |
| case PIPE_BLENDFACTOR_INV_CONST_COLOR: |
| return R300_BLEND_GL_ONE_MINUS_CONST_COLOR; |
| case PIPE_BLENDFACTOR_INV_CONST_ALPHA: |
| return R300_BLEND_GL_ONE_MINUS_CONST_ALPHA; |
| |
| case PIPE_BLENDFACTOR_SRC1_COLOR: |
| case PIPE_BLENDFACTOR_SRC1_ALPHA: |
| case PIPE_BLENDFACTOR_INV_SRC1_COLOR: |
| case PIPE_BLENDFACTOR_INV_SRC1_ALPHA: |
| fprintf(stderr, "r300: Implementation error: " |
| "Bad blend factor %d not supported!\n", blend_fact); |
| assert(0); |
| break; |
| |
| default: |
| fprintf(stderr, "r300: Unknown blend factor %d\n", blend_fact); |
| assert(0); |
| break; |
| } |
| return 0; |
| } |
| |
| /* DSA state. */ |
| |
| static inline uint32_t r300_translate_depth_stencil_function(int zs_func) |
| { |
| switch (zs_func) { |
| case PIPE_FUNC_NEVER: |
| return R300_ZS_NEVER; |
| case PIPE_FUNC_LESS: |
| return R300_ZS_LESS; |
| case PIPE_FUNC_EQUAL: |
| return R300_ZS_EQUAL; |
| case PIPE_FUNC_LEQUAL: |
| return R300_ZS_LEQUAL; |
| case PIPE_FUNC_GREATER: |
| return R300_ZS_GREATER; |
| case PIPE_FUNC_NOTEQUAL: |
| return R300_ZS_NOTEQUAL; |
| case PIPE_FUNC_GEQUAL: |
| return R300_ZS_GEQUAL; |
| case PIPE_FUNC_ALWAYS: |
| return R300_ZS_ALWAYS; |
| default: |
| fprintf(stderr, "r300: Unknown depth/stencil function %d\n", |
| zs_func); |
| assert(0); |
| break; |
| } |
| return 0; |
| } |
| |
| static inline uint32_t r300_translate_stencil_op(int s_op) |
| { |
| switch (s_op) { |
| case PIPE_STENCIL_OP_KEEP: |
| return R300_ZS_KEEP; |
| case PIPE_STENCIL_OP_ZERO: |
| return R300_ZS_ZERO; |
| case PIPE_STENCIL_OP_REPLACE: |
| return R300_ZS_REPLACE; |
| case PIPE_STENCIL_OP_INCR: |
| return R300_ZS_INCR; |
| case PIPE_STENCIL_OP_DECR: |
| return R300_ZS_DECR; |
| case PIPE_STENCIL_OP_INCR_WRAP: |
| return R300_ZS_INCR_WRAP; |
| case PIPE_STENCIL_OP_DECR_WRAP: |
| return R300_ZS_DECR_WRAP; |
| case PIPE_STENCIL_OP_INVERT: |
| return R300_ZS_INVERT; |
| default: |
| fprintf(stderr, "r300: Unknown stencil op %d", s_op); |
| assert(0); |
| break; |
| } |
| return 0; |
| } |
| |
| static inline uint32_t r300_translate_alpha_function(int alpha_func) |
| { |
| switch (alpha_func) { |
| case PIPE_FUNC_NEVER: |
| return R300_FG_ALPHA_FUNC_NEVER; |
| case PIPE_FUNC_LESS: |
| return R300_FG_ALPHA_FUNC_LESS; |
| case PIPE_FUNC_EQUAL: |
| return R300_FG_ALPHA_FUNC_EQUAL; |
| case PIPE_FUNC_LEQUAL: |
| return R300_FG_ALPHA_FUNC_LE; |
| case PIPE_FUNC_GREATER: |
| return R300_FG_ALPHA_FUNC_GREATER; |
| case PIPE_FUNC_NOTEQUAL: |
| return R300_FG_ALPHA_FUNC_NOTEQUAL; |
| case PIPE_FUNC_GEQUAL: |
| return R300_FG_ALPHA_FUNC_GE; |
| case PIPE_FUNC_ALWAYS: |
| return R300_FG_ALPHA_FUNC_ALWAYS; |
| default: |
| fprintf(stderr, "r300: Unknown alpha function %d", alpha_func); |
| assert(0); |
| break; |
| } |
| return 0; |
| } |
| |
| static inline uint32_t |
| r300_translate_polygon_mode_front(unsigned mode) { |
| switch (mode) |
| { |
| case PIPE_POLYGON_MODE_FILL: |
| return R300_GA_POLY_MODE_FRONT_PTYPE_TRI; |
| case PIPE_POLYGON_MODE_LINE: |
| return R300_GA_POLY_MODE_FRONT_PTYPE_LINE; |
| case PIPE_POLYGON_MODE_POINT: |
| return R300_GA_POLY_MODE_FRONT_PTYPE_POINT; |
| |
| default: |
| fprintf(stderr, "r300: Bad polygon mode %i in %s\n", mode, |
| __FUNCTION__); |
| return R300_GA_POLY_MODE_FRONT_PTYPE_TRI; |
| } |
| } |
| |
| static inline uint32_t |
| r300_translate_polygon_mode_back(unsigned mode) { |
| switch (mode) |
| { |
| case PIPE_POLYGON_MODE_FILL: |
| return R300_GA_POLY_MODE_BACK_PTYPE_TRI; |
| case PIPE_POLYGON_MODE_LINE: |
| return R300_GA_POLY_MODE_BACK_PTYPE_LINE; |
| case PIPE_POLYGON_MODE_POINT: |
| return R300_GA_POLY_MODE_BACK_PTYPE_POINT; |
| |
| default: |
| fprintf(stderr, "r300: Bad polygon mode %i in %s\n", mode, |
| __FUNCTION__); |
| return R300_GA_POLY_MODE_BACK_PTYPE_TRI; |
| } |
| } |
| |
| /* Texture sampler state. */ |
| |
| static inline uint32_t r300_translate_wrap(int wrap) |
| { |
| switch (wrap) { |
| case PIPE_TEX_WRAP_REPEAT: |
| return R300_TX_REPEAT; |
| case PIPE_TEX_WRAP_CLAMP: |
| return R300_TX_CLAMP; |
| case PIPE_TEX_WRAP_CLAMP_TO_EDGE: |
| return R300_TX_CLAMP_TO_EDGE; |
| case PIPE_TEX_WRAP_CLAMP_TO_BORDER: |
| return R300_TX_CLAMP_TO_BORDER; |
| case PIPE_TEX_WRAP_MIRROR_REPEAT: |
| return R300_TX_REPEAT | R300_TX_MIRRORED; |
| case PIPE_TEX_WRAP_MIRROR_CLAMP: |
| return R300_TX_CLAMP | R300_TX_MIRRORED; |
| case PIPE_TEX_WRAP_MIRROR_CLAMP_TO_EDGE: |
| return R300_TX_CLAMP_TO_EDGE | R300_TX_MIRRORED; |
| case PIPE_TEX_WRAP_MIRROR_CLAMP_TO_BORDER: |
| return R300_TX_CLAMP_TO_BORDER | R300_TX_MIRRORED; |
| default: |
| fprintf(stderr, "r300: Unknown texture wrap %d", wrap); |
| assert(0); |
| return 0; |
| } |
| } |
| |
| static inline uint32_t r300_translate_tex_filters(int min, int mag, int mip, |
| boolean is_anisotropic) |
| { |
| uint32_t retval = 0; |
| |
| switch (min) { |
| case PIPE_TEX_FILTER_NEAREST: |
| retval |= R300_TX_MIN_FILTER_NEAREST; |
| break; |
| case PIPE_TEX_FILTER_LINEAR: |
| retval |= is_anisotropic ? R300_TX_MIN_FILTER_ANISO : |
| R300_TX_MIN_FILTER_LINEAR; |
| break; |
| default: |
| fprintf(stderr, "r300: Unknown texture filter %d\n", min); |
| assert(0); |
| } |
| |
| switch (mag) { |
| case PIPE_TEX_FILTER_NEAREST: |
| retval |= R300_TX_MAG_FILTER_NEAREST; |
| break; |
| case PIPE_TEX_FILTER_LINEAR: |
| retval |= is_anisotropic ? R300_TX_MAG_FILTER_ANISO : |
| R300_TX_MAG_FILTER_LINEAR; |
| break; |
| default: |
| fprintf(stderr, "r300: Unknown texture filter %d\n", mag); |
| assert(0); |
| } |
| |
| switch (mip) { |
| case PIPE_TEX_MIPFILTER_NONE: |
| retval |= R300_TX_MIN_FILTER_MIP_NONE; |
| break; |
| case PIPE_TEX_MIPFILTER_NEAREST: |
| retval |= R300_TX_MIN_FILTER_MIP_NEAREST; |
| break; |
| case PIPE_TEX_MIPFILTER_LINEAR: |
| retval |= R300_TX_MIN_FILTER_MIP_LINEAR; |
| break; |
| default: |
| fprintf(stderr, "r300: Unknown texture filter %d\n", mip); |
| assert(0); |
| } |
| |
| return retval; |
| } |
| |
| static inline uint32_t r300_anisotropy(unsigned max_aniso) |
| { |
| if (max_aniso >= 16) { |
| return R300_TX_MAX_ANISO_16_TO_1; |
| } else if (max_aniso >= 8) { |
| return R300_TX_MAX_ANISO_8_TO_1; |
| } else if (max_aniso >= 4) { |
| return R300_TX_MAX_ANISO_4_TO_1; |
| } else if (max_aniso >= 2) { |
| return R300_TX_MAX_ANISO_2_TO_1; |
| } else { |
| return R300_TX_MAX_ANISO_1_TO_1; |
| } |
| } |
| |
| static inline uint32_t r500_anisotropy(unsigned max_aniso) |
| { |
| if (!max_aniso) { |
| return 0; |
| } |
| max_aniso -= 1; |
| |
| // Map the range [0, 15] to [0, 63]. |
| return R500_TX_MAX_ANISO(MIN2((unsigned)(max_aniso*4.2001), 63)) | |
| R500_TX_ANISO_HIGH_QUALITY; |
| } |
| |
| /* Translate pipe_formats into PSC vertex types. */ |
| static inline uint16_t |
| r300_translate_vertex_data_type(enum pipe_format format) { |
| uint32_t result = 0; |
| const struct util_format_description *desc; |
| unsigned i; |
| |
| if (!format) |
| format = PIPE_FORMAT_R32_FLOAT; |
| |
| desc = util_format_description(format); |
| |
| if (desc->layout != UTIL_FORMAT_LAYOUT_PLAIN) { |
| return R300_INVALID_FORMAT; |
| } |
| |
| /* Find the first non-VOID channel. */ |
| for (i = 0; i < 4; i++) { |
| if (desc->channel[i].type != UTIL_FORMAT_TYPE_VOID) { |
| break; |
| } |
| } |
| |
| switch (desc->channel[i].type) { |
| /* Half-floats, floats, doubles */ |
| case UTIL_FORMAT_TYPE_FLOAT: |
| switch (desc->channel[i].size) { |
| case 16: |
| /* Supported only on RV350 and later. */ |
| if (desc->nr_channels > 2) { |
| result = R300_DATA_TYPE_FLT16_4; |
| } else { |
| result = R300_DATA_TYPE_FLT16_2; |
| } |
| break; |
| case 32: |
| result = R300_DATA_TYPE_FLOAT_1 + (desc->nr_channels - 1); |
| break; |
| default: |
| return R300_INVALID_FORMAT; |
| } |
| break; |
| /* Unsigned ints */ |
| case UTIL_FORMAT_TYPE_UNSIGNED: |
| /* Signed ints */ |
| case UTIL_FORMAT_TYPE_SIGNED: |
| switch (desc->channel[i].size) { |
| case 8: |
| result = R300_DATA_TYPE_BYTE; |
| break; |
| case 16: |
| if (desc->nr_channels > 2) { |
| result = R300_DATA_TYPE_SHORT_4; |
| } else { |
| result = R300_DATA_TYPE_SHORT_2; |
| } |
| break; |
| default: |
| return R300_INVALID_FORMAT; |
| } |
| break; |
| default: |
| return R300_INVALID_FORMAT; |
| } |
| |
| if (desc->channel[i].type == UTIL_FORMAT_TYPE_SIGNED) { |
| result |= R300_SIGNED; |
| } |
| if (desc->channel[i].normalized) { |
| result |= R300_NORMALIZE; |
| } |
| |
| return result; |
| } |
| |
| static inline uint16_t |
| r300_translate_vertex_data_swizzle(enum pipe_format format) { |
| const struct util_format_description *desc; |
| unsigned i, swizzle = 0; |
| |
| if (!format) |
| return (R300_SWIZZLE_SELECT_FP_ZERO << R300_SWIZZLE_SELECT_X_SHIFT) | |
| (R300_SWIZZLE_SELECT_FP_ZERO << R300_SWIZZLE_SELECT_Y_SHIFT) | |
| (R300_SWIZZLE_SELECT_FP_ZERO << R300_SWIZZLE_SELECT_Z_SHIFT) | |
| (R300_SWIZZLE_SELECT_FP_ONE << R300_SWIZZLE_SELECT_W_SHIFT); |
| |
| desc = util_format_description(format); |
| |
| if (desc->layout != UTIL_FORMAT_LAYOUT_PLAIN) { |
| fprintf(stderr, "r300: Bad format %s in %s:%d\n", |
| util_format_short_name(format), __FUNCTION__, __LINE__); |
| return 0; |
| } |
| |
| for (i = 0; i < desc->nr_channels; i++) { |
| swizzle |= |
| MIN2(desc->swizzle[i], R300_SWIZZLE_SELECT_FP_ONE) << (3*i); |
| } |
| /* Set (0,0,0,1) in unused components. */ |
| for (; i < 3; i++) { |
| swizzle |= R300_SWIZZLE_SELECT_FP_ZERO << (3*i); |
| } |
| for (; i < 4; i++) { |
| swizzle |= R300_SWIZZLE_SELECT_FP_ONE << (3*i); |
| } |
| |
| return swizzle | (0xf << R300_WRITE_ENA_SHIFT); |
| } |
| |
| #endif /* R300_STATE_INLINES_H */ |