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mesa: add no-change testing for a few more texture parameters

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This commit is contained in:
Brian Paul
2009-02-09 13:50:36 -07:00
parent 88f3656ea7
commit 37c768b36a
1 changed files with 20 additions and 8 deletions
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28
src/mesa/main/texparam.c
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@@ -262,8 +262,10 @@ set_tex_parameteri(GLcontext *ctx,
case GL_GENERATE_MIPMAP_SGIS:
if (ctx->Extensions.SGIS_generate_mipmap) {
FLUSH_VERTICES(ctx, _NEW_TEXTURE);
texObj->GenerateMipmap = params[0] ? GL_TRUE : GL_FALSE;
if (texObj->GenerateMipmap != params[0]) {
FLUSH_VERTICES(ctx, _NEW_TEXTURE);
texObj->GenerateMipmap = params[0] ? GL_TRUE : GL_FALSE;
}
}
else {
_mesa_error(ctx, GL_INVALID_ENUM,
@@ -275,8 +277,10 @@ set_tex_parameteri(GLcontext *ctx,
if (ctx->Extensions.ARB_shadow &&
(params[0] == GL_NONE ||
params[0] == GL_COMPARE_R_TO_TEXTURE_ARB)) {
FLUSH_VERTICES(ctx, _NEW_TEXTURE);
texObj->CompareMode = params[0];
if (texObj->CompareMode != params[0]) {
FLUSH_VERTICES(ctx, _NEW_TEXTURE);
texObj->CompareMode = params[0];
}
}
else {
_mesa_error(ctx, GL_INVALID_ENUM,
@@ -286,6 +290,8 @@ set_tex_parameteri(GLcontext *ctx,
case GL_TEXTURE_COMPARE_FUNC_ARB:
if (ctx->Extensions.ARB_shadow) {
if (texObj->CompareFunc == params[0])
return;
switch (params[0]) {
case GL_LEQUAL:
case GL_GEQUAL:
@@ -319,8 +325,10 @@ set_tex_parameteri(GLcontext *ctx,
(params[0] == GL_LUMINANCE ||
params[0] == GL_INTENSITY ||
params[0] == GL_ALPHA)) {
FLUSH_VERTICES(ctx, _NEW_TEXTURE);
texObj->DepthMode = params[0];
if (texObj->DepthMode != params[0]) {
FLUSH_VERTICES(ctx, _NEW_TEXTURE);
texObj->DepthMode = params[0];
}
}
else {
_mesa_error(ctx, GL_INVALID_ENUM,
@@ -415,6 +423,8 @@ set_tex_parameterf(GLcontext *ctx,
case GL_TEXTURE_MAX_ANISOTROPY_EXT:
if (ctx->Extensions.EXT_texture_filter_anisotropic) {
if (texObj->MaxAnisotropy == params[0])
return;
if (params[0] < 1.0) {
_mesa_error(ctx, GL_INVALID_VALUE, "glTexParameter(param)" );
return;
@@ -432,8 +442,10 @@ set_tex_parameterf(GLcontext *ctx,
case GL_TEXTURE_COMPARE_FAIL_VALUE_ARB:
if (ctx->Extensions.ARB_shadow_ambient) {
FLUSH_VERTICES(ctx, _NEW_TEXTURE);
texObj->CompareFailValue = CLAMP(params[0], 0.0F, 1.0F);
if (texObj->CompareFailValue != params[0]) {
FLUSH_VERTICES(ctx, _NEW_TEXTURE);
texObj->CompareFailValue = CLAMP(params[0], 0.0F, 1.0F);
}
}
else {
_mesa_error(ctx, GL_INVALID_ENUM,