-/* $Id: attrib.c,v 1.76 2003/01/22 17:58:52 brianp Exp $ */
-
/*
* Mesa 3-D graphics library
- * Version: 5.1
+ * Version: 6.3
*
- * Copyright (C) 1999-2003 Brian Paul All Rights Reserved.
+ * Copyright (C) 1999-2004 Brian Paul 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"),
#include "attrib.h"
#include "blend.h"
#include "buffers.h"
+#include "bufferobj.h"
#include "colormac.h"
#include "colortab.h"
#include "context.h"
}
-void
+void GLAPIENTRY
_mesa_PushAttrib(GLbitfield mask)
{
struct gl_attrib_node *newnode;
attr->RescaleNormals = ctx->Transform.RescaleNormals;
attr->Scissor = ctx->Scissor.Enabled;
attr->Stencil = ctx->Stencil.Enabled;
+ attr->StencilTwoSide = ctx->Stencil.TestTwoSide;
attr->MultisampleEnabled = ctx->Multisample.Enabled;
attr->SampleAlphaToCoverage = ctx->Multisample.SampleAlphaToCoverage;
attr->SampleAlphaToOne = ctx->Multisample.SampleAlphaToOne;
for (i=0; i<MAX_TEXTURE_UNITS; i++) {
attr->Texture[i] = ctx->Texture.Unit[i].Enabled;
attr->TexGen[i] = ctx->Texture.Unit[i].TexGenEnabled;
+ attr->TextureColorTable[i] = ctx->Texture.Unit[i].ColorTableEnabled;
}
- attr->TextureColorTable = ctx->Texture.ColorTableEnabled;
/* GL_NV_vertex_program */
attr->VertexProgram = ctx->VertexProgram.Enabled;
attr->VertexProgramPointSize = ctx->VertexProgram.PointSizeEnabled;
GL_POINT_SMOOTH);
TEST_AND_UPDATE(ctx->Point.SmoothFlag, enable->PointSmooth,
GL_POINT_SMOOTH);
- if (ctx->Extensions.NV_point_sprite) {
+ if (ctx->Extensions.NV_point_sprite || ctx->Extensions.ARB_point_sprite) {
TEST_AND_UPDATE(ctx->Point.PointSprite, enable->PointSprite,
GL_POINT_SPRITE_NV);
}
GL_POLYGON_STIPPLE);
TEST_AND_UPDATE(ctx->Scissor.Enabled, enable->Scissor, GL_SCISSOR_TEST);
TEST_AND_UPDATE(ctx->Stencil.Enabled, enable->Stencil, GL_STENCIL_TEST);
- /* XXX two-sided stencil */
+ if (ctx->Extensions.EXT_stencil_two_side) {
+ TEST_AND_UPDATE(ctx->Stencil.TestTwoSide, enable->StencilTwoSide, GL_STENCIL_TEST_TWO_SIDE_EXT);
+ }
TEST_AND_UPDATE(ctx->Multisample.Enabled, enable->MultisampleEnabled,
GL_MULTISAMPLE_ARB);
TEST_AND_UPDATE(ctx->Multisample.SampleAlphaToCoverage,
TEST_AND_UPDATE(ctx->Multisample.SampleCoverageInvert,
enable->SampleCoverageInvert,
GL_SAMPLE_COVERAGE_INVERT_ARB);
- TEST_AND_UPDATE(ctx->Texture.ColorTableEnabled, enable->TextureColorTable,
- GL_TEXTURE_COLOR_TABLE_SGI);
/* GL_NV_vertex_program */
TEST_AND_UPDATE(ctx->VertexProgram.Enabled,
enable->VertexProgram,
(*ctx->Driver.Enable)( ctx, GL_TEXTURE_GEN_Q, GL_FALSE);
}
}
+
+ /* GL_SGI_texture_color_table */
+ ctx->Texture.Unit[i].ColorTableEnabled = enable->TextureColorTable[i];
}
if (ctx->Driver.ActiveTexture) {
}
if (ctx->Extensions.SGI_texture_color_table) {
_mesa_set_enable(ctx, GL_TEXTURE_COLOR_TABLE_SGI,
- texAttrib->ColorTableEnabled);
- _mesa_ColorTableParameterfv(GL_TEXTURE_COLOR_TABLE_SGI,
- GL_COLOR_TABLE_SCALE_SGI,
- texAttrib->ColorTableScale);
- _mesa_ColorTableParameterfv(GL_TEXTURE_COLOR_TABLE_SGI,
- GL_COLOR_TABLE_BIAS_SGI,
- texAttrib->ColorTableBias);
+ unit->ColorTableEnabled);
}
_mesa_TexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, unit->EnvMode);
_mesa_TexEnvfv(GL_TEXTURE_ENV, GL_TEXTURE_ENV_COLOR, unit->EnvColor);
}
if (ctx->Extensions.EXT_texture_env_combine ||
ctx->Extensions.ARB_texture_env_combine) {
- _mesa_TexEnvi(GL_TEXTURE_ENV, GL_COMBINE_RGB_EXT,
- unit->CombineModeRGB);
- _mesa_TexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_EXT,
- unit->CombineModeA);
- _mesa_TexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_RGB_EXT,
- unit->CombineSourceRGB[0]);
- _mesa_TexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_RGB_EXT,
- unit->CombineSourceRGB[1]);
- _mesa_TexEnvi(GL_TEXTURE_ENV, GL_SOURCE2_RGB_EXT,
- unit->CombineSourceRGB[2]);
- _mesa_TexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA_EXT,
- unit->CombineSourceA[0]);
- _mesa_TexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_ALPHA_EXT,
- unit->CombineSourceA[1]);
- _mesa_TexEnvi(GL_TEXTURE_ENV, GL_SOURCE2_ALPHA_EXT,
- unit->CombineSourceA[2]);
- _mesa_TexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_RGB_EXT,
- unit->CombineOperandRGB[0]);
- _mesa_TexEnvi(GL_TEXTURE_ENV, GL_OPERAND1_RGB_EXT,
- unit->CombineOperandRGB[1]);
- _mesa_TexEnvi(GL_TEXTURE_ENV, GL_OPERAND2_RGB_EXT,
- unit->CombineOperandRGB[2]);
- _mesa_TexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_ALPHA_EXT,
- unit->CombineOperandA[0]);
- _mesa_TexEnvi(GL_TEXTURE_ENV, GL_OPERAND1_ALPHA_EXT,
- unit->CombineOperandA[1]);
- _mesa_TexEnvi(GL_TEXTURE_ENV, GL_OPERAND2_ALPHA_EXT,
- unit->CombineOperandA[2]);
- _mesa_TexEnvi(GL_TEXTURE_ENV, GL_RGB_SCALE_EXT,
- 1 << unit->CombineScaleShiftRGB);
+ _mesa_TexEnvi(GL_TEXTURE_ENV, GL_COMBINE_RGB,
+ unit->Combine.ModeRGB);
+ _mesa_TexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA,
+ unit->Combine.ModeA);
+ _mesa_TexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_RGB,
+ unit->Combine.SourceRGB[0]);
+ _mesa_TexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_RGB,
+ unit->Combine.SourceRGB[1]);
+ _mesa_TexEnvi(GL_TEXTURE_ENV, GL_SOURCE2_RGB,
+ unit->Combine.SourceRGB[2]);
+ _mesa_TexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA,
+ unit->Combine.SourceA[0]);
+ _mesa_TexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_ALPHA,
+ unit->Combine.SourceA[1]);
+ _mesa_TexEnvi(GL_TEXTURE_ENV, GL_SOURCE2_ALPHA,
+ unit->Combine.SourceA[2]);
+ _mesa_TexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_RGB,
+ unit->Combine.OperandRGB[0]);
+ _mesa_TexEnvi(GL_TEXTURE_ENV, GL_OPERAND1_RGB,
+ unit->Combine.OperandRGB[1]);
+ _mesa_TexEnvi(GL_TEXTURE_ENV, GL_OPERAND2_RGB,
+ unit->Combine.OperandRGB[2]);
+ _mesa_TexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_ALPHA,
+ unit->Combine.OperandA[0]);
+ _mesa_TexEnvi(GL_TEXTURE_ENV, GL_OPERAND1_ALPHA,
+ unit->Combine.OperandA[1]);
+ _mesa_TexEnvi(GL_TEXTURE_ENV, GL_OPERAND2_ALPHA,
+ unit->Combine.OperandA[2]);
+ _mesa_TexEnvi(GL_TEXTURE_ENV, GL_RGB_SCALE,
+ 1 << unit->Combine.ScaleShiftRGB);
_mesa_TexEnvi(GL_TEXTURE_ENV, GL_ALPHA_SCALE,
- 1 << unit->CombineScaleShiftA);
+ 1 << unit->Combine.ScaleShiftA);
}
/* Restore texture object state */
* We could at least check if the value to restore equals the current value
* and then skip the Mesa call.
*/
-void
+void GLAPIENTRY
_mesa_PopAttrib(void)
{
struct gl_attrib_node *attr, *next;
(GLboolean) (color->ColorMask[1] != 0),
(GLboolean) (color->ColorMask[2] != 0),
(GLboolean) (color->ColorMask[3] != 0));
- _mesa_DrawBuffer(color->DrawBuffer);
+#if 0
+ _mesa_DrawBuffersARB(ctx->Const.MaxDrawBuffers,
+ color->DrawBuffer);
+#else
+ _mesa_drawbuffers(ctx, ctx->Const.MaxDrawBuffers,
+ color->DrawBuffer, NULL);
+#endif
_mesa_set_enable(ctx, GL_ALPHA_TEST, color->AlphaEnabled);
_mesa_AlphaFunc(color->AlphaFunc, color->AlphaRef);
_mesa_set_enable(ctx, GL_BLEND, color->BlendEnabled);
color->BlendDstRGB,
color->BlendSrcA,
color->BlendDstA);
- _mesa_BlendEquation(color->BlendEquation);
+ /* This special case is because glBlendEquationSeparateEXT
+ * cannot take GL_LOGIC_OP as a parameter.
+ */
+ if ( color->BlendEquationRGB == color->BlendEquationA ) {
+ _mesa_BlendEquation(color->BlendEquationRGB);
+ }
+ else {
+ _mesa_BlendEquationSeparateEXT(color->BlendEquationRGB,
+ color->BlendEquationA);
+ }
_mesa_BlendColor(color->BlendColor[0],
color->BlendColor[1],
color->BlendColor[2],
/* lighting enable */
_mesa_set_enable(ctx, GL_LIGHTING, light->Enabled);
/* per-light state */
-
- if (ctx->ModelviewMatrixStack.Top->flags & MAT_DIRTY_INVERSE)
- _math_matrix_analyse( ctx->ModelviewMatrixStack.Top );
+ if (ctx->ModelviewMatrixStack.Top->flags & MAT_DIRTY_INVERSE)
+ _math_matrix_analyse( ctx->ModelviewMatrixStack.Top );
for (i = 0; i < MAX_LIGHTS; i++) {
GLenum lgt = (GLenum) (GL_LIGHT0 + i);
_mesa_LightModelf(GL_LIGHT_MODEL_COLOR_CONTROL,
(GLfloat) light->Model.ColorControl);
/* materials */
- MEMCPY(ctx->Light.Material, light->Material,
- 2 * sizeof(struct gl_material));
+ MEMCPY(&ctx->Light.Material, &light->Material,
+ sizeof(struct gl_material));
/* shade model */
_mesa_ShadeModel(light->ShadeModel);
/* color material */
break;
case GL_PIXEL_MODE_BIT:
MEMCPY( &ctx->Pixel, attr->data, sizeof(struct gl_pixel_attrib) );
+ /* XXX what other pixel state needs to be set by function calls? */
+ _mesa_ReadBuffer(ctx->Pixel.ReadBuffer);
ctx->NewState |= _NEW_PIXEL;
break;
case GL_POINT_BIT:
_mesa_PointParameterfEXT(GL_POINT_FADE_THRESHOLD_SIZE_EXT,
point->Threshold);
}
- if (ctx->Extensions.NV_point_sprite) {
+ if (ctx->Extensions.NV_point_sprite
+ || ctx->Extensions.ARB_point_sprite) {
GLuint u;
for (u = 0; u < ctx->Const.MaxTextureUnits; u++) {
_mesa_TexEnvi(GL_POINT_SPRITE_NV, GL_COORD_REPLACE_NV,
_mesa_set_enable(ctx, GL_POINT_SPRITE_NV,point->PointSprite);
_mesa_PointParameteriNV(GL_POINT_SPRITE_R_MODE_NV,
ctx->Point.SpriteRMode);
+ _mesa_PointParameterfEXT(GL_POINT_SPRITE_COORD_ORIGIN,
+ (GLfloat)ctx->Point.SpriteOrigin);
}
}
break;
break;
case GL_STENCIL_BUFFER_BIT:
{
- const GLint face = 0; /* XXX stencil two side */
+ GLint face;
const struct gl_stencil_attrib *stencil;
stencil = (const struct gl_stencil_attrib *) attr->data;
_mesa_set_enable(ctx, GL_STENCIL_TEST, stencil->Enabled);
_mesa_ClearStencil(stencil->Clear);
- _mesa_StencilFunc(stencil->Function[face], stencil->Ref[face],
- stencil->ValueMask[face]);
- _mesa_StencilMask(stencil->WriteMask[face]);
- _mesa_StencilOp(stencil->FailFunc[face],
- stencil->ZFailFunc[face],
- stencil->ZPassFunc[face]);
+ face = stencil->ActiveFace;
+ if (ctx->Extensions.EXT_stencil_two_side) {
+ _mesa_set_enable(ctx, GL_STENCIL_TEST_TWO_SIDE_EXT, stencil->TestTwoSide);
+ face ^= 1;
+ }
+ do {
+ _mesa_ActiveStencilFaceEXT(face);
+ _mesa_StencilFunc(stencil->Function[face], stencil->Ref[face],
+ stencil->ValueMask[face]);
+ _mesa_StencilMask(stencil->WriteMask[face]);
+ _mesa_StencilOp(stencil->FailFunc[face],
+ stencil->ZFailFunc[face],
+ stencil->ZPassFunc[face]);
+ face ^= 1;
+ } while (face != (stencil->ActiveFace ^ 1));
}
break;
case GL_TRANSFORM_BIT:
const struct gl_transform_attrib *xform;
xform = (const struct gl_transform_attrib *) attr->data;
_mesa_MatrixMode(xform->MatrixMode);
-
if (ctx->ProjectionMatrixStack.Top->flags & MAT_DIRTY)
_math_matrix_analyse( ctx->ProjectionMatrixStack.Top );
}
+/**
+ * Helper for incrementing/decrementing vertex buffer object reference
+ * counts when pushing/popping the GL_CLIENT_VERTEX_ARRAY_BIT attribute group.
+ */
+static void
+adjust_buffer_object_ref_counts(struct gl_array_attrib *array, GLint step)
+{
+ GLuint i;
+ array->Vertex.BufferObj->RefCount += step;
+ array->Normal.BufferObj->RefCount += step;
+ array->Color.BufferObj->RefCount += step;
+ array->SecondaryColor.BufferObj->RefCount += step;
+ array->FogCoord.BufferObj->RefCount += step;
+ array->Index.BufferObj->RefCount += step;
+ array->EdgeFlag.BufferObj->RefCount += step;
+ for (i = 0; i < MAX_TEXTURE_COORD_UNITS; i++)
+ array->TexCoord[i].BufferObj->RefCount += step;
+ for (i = 0; i < VERT_ATTRIB_MAX; i++)
+ array->VertexAttrib[i].BufferObj->RefCount += step;
+
+ array->ArrayBufferObj->RefCount += step;
+ array->ElementArrayBufferObj->RefCount += step;
+}
+
+
#define GL_CLIENT_PACK_BIT (1<<20)
#define GL_CLIENT_UNPACK_BIT (1<<21)
-void
+void GLAPIENTRY
_mesa_PushClientAttrib(GLbitfield mask)
{
struct gl_attrib_node *newnode;
if (mask & GL_CLIENT_PIXEL_STORE_BIT) {
struct gl_pixelstore_attrib *attr;
+#if FEATURE_EXT_pixel_buffer_object
+ ctx->Pack.BufferObj->RefCount++;
+ ctx->Unpack.BufferObj->RefCount++;
+#endif
/* packing attribs */
attr = MALLOC_STRUCT( gl_pixelstore_attrib );
MEMCPY( attr, &ctx->Pack, sizeof(struct gl_pixelstore_attrib) );
newnode->data = attr;
newnode->next = head;
head = newnode;
+ /* bump reference counts on buffer objects */
+ adjust_buffer_object_ref_counts(&ctx->Array, 1);
}
ctx->ClientAttribStack[ctx->ClientAttribStackDepth] = head;
-void
+void GLAPIENTRY
_mesa_PopClientAttrib(void)
{
struct gl_attrib_node *attr, *next;
while (attr) {
switch (attr->kind) {
case GL_CLIENT_PACK_BIT:
+#if FEATURE_EXT_pixel_buffer_object
+ ctx->Pack.BufferObj->RefCount--;
+ if (ctx->Pack.BufferObj->RefCount <= 0) {
+ _mesa_remove_buffer_object( ctx, ctx->Pack.BufferObj );
+ (*ctx->Driver.DeleteBuffer)( ctx, ctx->Pack.BufferObj );
+ }
+#endif
MEMCPY( &ctx->Pack, attr->data,
sizeof(struct gl_pixelstore_attrib) );
ctx->NewState |= _NEW_PACKUNPACK;
break;
case GL_CLIENT_UNPACK_BIT:
+#if FEATURE_EXT_pixel_buffer_object
+ ctx->Unpack.BufferObj->RefCount--;
+ if (ctx->Unpack.BufferObj->RefCount <= 0) {
+ _mesa_remove_buffer_object( ctx, ctx->Unpack.BufferObj );
+ (*ctx->Driver.DeleteBuffer)( ctx, ctx->Unpack.BufferObj );
+ }
+#endif
MEMCPY( &ctx->Unpack, attr->data,
sizeof(struct gl_pixelstore_attrib) );
ctx->NewState |= _NEW_PACKUNPACK;
break;
case GL_CLIENT_VERTEX_ARRAY_BIT:
+ adjust_buffer_object_ref_counts(&ctx->Array, -1);
MEMCPY( &ctx->Array, attr->data,
sizeof(struct gl_array_attrib) );
+ /* decrement reference counts on buffer objects */
ctx->NewState |= _NEW_ARRAY;
break;
default:
attr = next;
}
}
+
+
+void _mesa_init_attrib( GLcontext *ctx )
+{
+ /* Renderer and client attribute stacks */
+ ctx->AttribStackDepth = 0;
+ ctx->ClientAttribStackDepth = 0;
+}
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