diff options
Diffstat (limited to 'src/mesa/drivers/dri/intel/intel_state.c')
| -rw-r--r-- | src/mesa/drivers/dri/intel/intel_state.c | 233 |
1 files changed, 233 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/intel/intel_state.c b/src/mesa/drivers/dri/intel/intel_state.c new file mode 100644 index 0000000000..4ee742377d --- /dev/null +++ b/src/mesa/drivers/dri/intel/intel_state.c @@ -0,0 +1,233 @@ +/************************************************************************** + * + * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas. + * 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 TUNGSTEN GRAPHICS 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 "main/glheader.h" +#include "main/context.h" +#include "main/macros.h" +#include "main/enums.h" +#include "main/colormac.h" +#include "main/dd.h" + +#include "intel_screen.h" +#include "intel_context.h" +#include "intel_regions.h" +#include "swrast/swrast.h" + +int +intel_translate_shadow_compare_func(GLenum func) +{ + switch (func) { + case GL_NEVER: + return COMPAREFUNC_ALWAYS; + case GL_LESS: + return COMPAREFUNC_LEQUAL; + case GL_LEQUAL: + return COMPAREFUNC_LESS; + case GL_GREATER: + return COMPAREFUNC_GEQUAL; + case GL_GEQUAL: + return COMPAREFUNC_GREATER; + case GL_NOTEQUAL: + return COMPAREFUNC_EQUAL; + case GL_EQUAL: + return COMPAREFUNC_NOTEQUAL; + case GL_ALWAYS: + return COMPAREFUNC_NEVER; + } + + fprintf(stderr, "Unknown value in %s: %x\n", __FUNCTION__, func); + return COMPAREFUNC_NEVER; +} + +int +intel_translate_compare_func(GLenum func) +{ + switch (func) { + case GL_NEVER: + return COMPAREFUNC_NEVER; + case GL_LESS: + return COMPAREFUNC_LESS; + case GL_LEQUAL: + return COMPAREFUNC_LEQUAL; + case GL_GREATER: + return COMPAREFUNC_GREATER; + case GL_GEQUAL: + return COMPAREFUNC_GEQUAL; + case GL_NOTEQUAL: + return COMPAREFUNC_NOTEQUAL; + case GL_EQUAL: + return COMPAREFUNC_EQUAL; + case GL_ALWAYS: + return COMPAREFUNC_ALWAYS; + } + + fprintf(stderr, "Unknown value in %s: %x\n", __FUNCTION__, func); + return COMPAREFUNC_ALWAYS; +} + +int +intel_translate_stencil_op(GLenum op) +{ + switch (op) { + case GL_KEEP: + return STENCILOP_KEEP; + case GL_ZERO: + return STENCILOP_ZERO; + case GL_REPLACE: + return STENCILOP_REPLACE; + case GL_INCR: + return STENCILOP_INCRSAT; + case GL_DECR: + return STENCILOP_DECRSAT; + case GL_INCR_WRAP: + return STENCILOP_INCR; + case GL_DECR_WRAP: + return STENCILOP_DECR; + case GL_INVERT: + return STENCILOP_INVERT; + default: + return STENCILOP_ZERO; + } +} + +int +intel_translate_blend_factor(GLenum factor) +{ + switch (factor) { + case GL_ZERO: + return BLENDFACT_ZERO; + case GL_SRC_ALPHA: + return BLENDFACT_SRC_ALPHA; + case GL_ONE: + return BLENDFACT_ONE; + case GL_SRC_COLOR: + return BLENDFACT_SRC_COLR; + case GL_ONE_MINUS_SRC_COLOR: + return BLENDFACT_INV_SRC_COLR; + case GL_DST_COLOR: + return BLENDFACT_DST_COLR; + case GL_ONE_MINUS_DST_COLOR: + return BLENDFACT_INV_DST_COLR; + case GL_ONE_MINUS_SRC_ALPHA: + return BLENDFACT_INV_SRC_ALPHA; + case GL_DST_ALPHA: + return BLENDFACT_DST_ALPHA; + case GL_ONE_MINUS_DST_ALPHA: + return BLENDFACT_INV_DST_ALPHA; + case GL_SRC_ALPHA_SATURATE: + return BLENDFACT_SRC_ALPHA_SATURATE; + case GL_CONSTANT_COLOR: + return BLENDFACT_CONST_COLOR; + case GL_ONE_MINUS_CONSTANT_COLOR: + return BLENDFACT_INV_CONST_COLOR; + case GL_CONSTANT_ALPHA: + return BLENDFACT_CONST_ALPHA; + case GL_ONE_MINUS_CONSTANT_ALPHA: + return BLENDFACT_INV_CONST_ALPHA; + } + + fprintf(stderr, "Unknown value in %s: %x\n", __FUNCTION__, factor); + return BLENDFACT_ZERO; +} + +int +intel_translate_logic_op(GLenum opcode) +{ + switch (opcode) { + case GL_CLEAR: + return LOGICOP_CLEAR; + case GL_AND: + return LOGICOP_AND; + case GL_AND_REVERSE: + return LOGICOP_AND_RVRSE; + case GL_COPY: + return LOGICOP_COPY; + case GL_COPY_INVERTED: + return LOGICOP_COPY_INV; + case GL_AND_INVERTED: + return LOGICOP_AND_INV; + case GL_NOOP: + return LOGICOP_NOOP; + case GL_XOR: + return LOGICOP_XOR; + case GL_OR: + return LOGICOP_OR; + case GL_OR_INVERTED: + return LOGICOP_OR_INV; + case GL_NOR: + return LOGICOP_NOR; + case GL_EQUIV: + return LOGICOP_EQUIV; + case GL_INVERT: + return LOGICOP_INV; + case GL_OR_REVERSE: + return LOGICOP_OR_RVRSE; + case GL_NAND: + return LOGICOP_NAND; + case GL_SET: + return LOGICOP_SET; + default: + return LOGICOP_SET; + } +} + + +static void +intelClearColor(GLcontext *ctx, const GLfloat color[4]) +{ + struct intel_context *intel = intel_context(ctx); + GLubyte clear[4]; + + CLAMPED_FLOAT_TO_UBYTE(clear[0], color[0]); + CLAMPED_FLOAT_TO_UBYTE(clear[1], color[1]); + CLAMPED_FLOAT_TO_UBYTE(clear[2], color[2]); + CLAMPED_FLOAT_TO_UBYTE(clear[3], color[3]); + + /* compute both 32 and 16-bit clear values */ + intel->ClearColor8888 = INTEL_PACKCOLOR8888(clear[0], clear[1], + clear[2], clear[3]); + intel->ClearColor565 = INTEL_PACKCOLOR565(clear[0], clear[1], clear[2]); +} + + +/* Fallback to swrast for select and feedback. + */ +static void +intelRenderMode(GLcontext *ctx, GLenum mode) +{ + struct intel_context *intel = intel_context(ctx); + FALLBACK(intel, INTEL_FALLBACK_RENDERMODE, (mode != GL_RENDER)); +} + + +void +intelInitStateFuncs(struct dd_function_table *functions) +{ + functions->RenderMode = intelRenderMode; + functions->ClearColor = intelClearColor; +} |