+++ /dev/null
-/**************************************************************************
- *
- * 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_fbo.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]);
-}
-
-
-/**
- * Update the viewport transformation matrix. Depends on:
- * - viewport pos/size
- * - depthrange
- * - window pos/size or FBO size
- */
-static void
-intelCalcViewport(GLcontext * ctx)
-{
- struct intel_context *intel = intel_context(ctx);
- const GLfloat *v = ctx->Viewport._WindowMap.m;
- const GLfloat depthScale = 1.0F / ctx->DrawBuffer->_DepthMaxF;
- GLfloat *m = intel->ViewportMatrix.m;
- GLfloat yScale, yBias;
-
- if (ctx->DrawBuffer->Name) {
- /* User created FBO */
- struct intel_renderbuffer *irb
- = intel_renderbuffer(ctx->DrawBuffer->_ColorDrawBuffers[0]);
- if (irb && !irb->RenderToTexture) {
- /* y=0=top */
- yScale = -1.0;
- yBias = irb->Base.Height;
- }
- else {
- /* y=0=bottom */
- yScale = 1.0;
- yBias = 0.0;
- }
- }
- else {
- /* window buffer, y=0=top */
- yScale = -1.0;
- yBias = (intel->driDrawable) ? intel->driDrawable->h : 0.0F;
- }
-
- m[MAT_SX] = v[MAT_SX];
- m[MAT_TX] = v[MAT_TX];
-
- m[MAT_SY] = v[MAT_SY] * yScale;
- m[MAT_TY] = v[MAT_TY] * yScale + yBias;
-
- m[MAT_SZ] = v[MAT_SZ] * depthScale;
- m[MAT_TZ] = v[MAT_TZ] * depthScale;
-}
-
-static void
-intelViewport(GLcontext * ctx,
- GLint x, GLint y, GLsizei width, GLsizei height)
-{
- intelCalcViewport(ctx);
-
- intel_viewport(ctx, x, y, width, height);
-}
-
-static void
-intelDepthRange(GLcontext * ctx, GLclampd nearval, GLclampd farval)
-{
- intelCalcViewport(ctx);
-}
-
-/* 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->Viewport = intelViewport;
- functions->DepthRange = intelDepthRange;
- functions->ClearColor = intelClearColor;
-}
projects / mesa.git / blobdiff