OpenHarmony/third_party_mesa3d
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Allow different max texture sizes for 1/2D, 3D and cube maps.

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This commit is contained in:
Brian Paul
2001-06-13 14:56:14 +00:00
parent cc22179cd8
commit cd1cefae91
9 changed files with 186 additions and 66 deletions
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24
src/mesa/main/texobj.c
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@@ -1,4 +1,4 @@
/* $Id: texobj.c,v 1.48 2001/04/25 18:21:05 brianp Exp $ */
/* $Id: texobj.c,v 1.49 2001/06/13 14:56:14 brianp Exp $ */
/*
* Mesa 3-D graphics library
@@ -181,7 +181,7 @@ _mesa_test_texobj_completeness( const GLcontext *ctx,
struct gl_texture_object *t )
{
const GLint baseLevel = t->BaseLevel;
GLint maxLog2 = 0;
GLint maxLog2 = 0, maxLevels = 0;
t->Complete = GL_TRUE; /* be optimistic */
@@ -195,20 +195,30 @@ _mesa_test_texobj_completeness( const GLcontext *ctx,
/* Compute _MaxLevel */
if (t->Dimensions == 1) {
maxLog2 = t->Image[baseLevel]->WidthLog2;
maxLevels = ctx->Const.MaxTextureLevels;
}
else if (t->Dimensions == 2 || t->Dimensions == 6) {
maxLog2 = MAX2(t->Image[baseLevel]->WidthLog2,
t->Image[baseLevel]->HeightLog2);
maxLevels = (t->Dimensions == 2) ?
ctx->Const.MaxTextureLevels : ctx->Const.MaxCubeTextureLevels;
}
else if (t->Dimensions == 3) {
GLint max = MAX2(t->Image[baseLevel]->WidthLog2,
t->Image[baseLevel]->HeightLog2);
maxLog2 = MAX2(max, (GLint)(t->Image[baseLevel]->DepthLog2));
maxLevels = ctx->Const.Max3DTextureLevels;
}
else {
_mesa_problem(ctx, "Bad t->Dimension in _mesa_test_texobj_completeness");
return;
}
ASSERT(maxLevels > 0);
t->_MaxLevel = baseLevel + maxLog2;
t->_MaxLevel = MIN2(t->_MaxLevel, t->MaxLevel);
t->_MaxLevel = MIN2(t->_MaxLevel, ctx->Const.MaxTextureLevels - 1);
t->_MaxLevel = MIN2(t->_MaxLevel, maxLevels - 1);
/* Compute _MaxLambda = q - b (see the 1.2 spec) used during mipmapping */
t->_MaxLambda = (GLfloat) (t->_MaxLevel - t->BaseLevel);
@@ -272,7 +282,7 @@ _mesa_test_texobj_completeness( const GLcontext *ctx,
if (t->Dimensions == 1) {
/* Test 1-D mipmaps */
GLuint width = t->Image[baseLevel]->Width2;
for (i = baseLevel + 1; i < ctx->Const.MaxTextureLevels; i++) {
for (i = baseLevel + 1; i < maxLevels; i++) {
if (width > 1) {
width /= 2;
}
@@ -297,7 +307,7 @@ _mesa_test_texobj_completeness( const GLcontext *ctx,
/* Test 2-D mipmaps */
GLuint width = t->Image[baseLevel]->Width2;
GLuint height = t->Image[baseLevel]->Height2;
for (i = baseLevel + 1; i < ctx->Const.MaxTextureLevels; i++) {
for (i = baseLevel + 1; i < maxLevels; i++) {
if (width > 1) {
width /= 2;
}
@@ -331,7 +341,7 @@ _mesa_test_texobj_completeness( const GLcontext *ctx,
GLuint width = t->Image[baseLevel]->Width2;
GLuint height = t->Image[baseLevel]->Height2;
GLuint depth = t->Image[baseLevel]->Depth2;
for (i = baseLevel + 1; i < ctx->Const.MaxTextureLevels; i++) {
for (i = baseLevel + 1; i < maxLevels; i++) {
if (width > 1) {
width /= 2;
}
@@ -372,7 +382,7 @@ _mesa_test_texobj_completeness( const GLcontext *ctx,
/* make sure 6 cube faces are consistant */
GLuint width = t->Image[baseLevel]->Width2;
GLuint height = t->Image[baseLevel]->Height2;
for (i = baseLevel + 1; i < ctx->Const.MaxTextureLevels; i++) {
for (i = baseLevel + 1; i < maxLevels; i++) {
if (width > 1) {
width /= 2;
}