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Diffstat (limited to 'src/mesa/main/texparam.c')
-rw-r--r--src/mesa/main/texparam.c1206
1 files changed, 713 insertions, 493 deletions
diff --git a/src/mesa/main/texparam.c b/src/mesa/main/texparam.c
index a9e752a637..6cbb9999b1 100644
--- a/src/mesa/main/texparam.c
+++ b/src/mesa/main/texparam.c
@@ -1,8 +1,9 @@
/*
* Mesa 3-D graphics library
- * Version: 7.1
+ * Version: 7.5
*
* Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
+ * Copyright (C) 2009 VMware, Inc. 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"),
@@ -37,6 +38,8 @@
#include "main/texcompress.h"
#include "main/texparam.h"
#include "main/teximage.h"
+#include "main/texstate.h"
+#include "shader/prog_instruction.h"
/**
@@ -67,409 +70,640 @@ validate_texture_wrap_mode(GLcontext * ctx, GLenum target, GLenum wrap)
return GL_TRUE;
}
- _mesa_error( ctx, GL_INVALID_VALUE, "glTexParameter(param)" );
+ _mesa_error( ctx, GL_INVALID_VALUE, "glTexParameter(param=0x%x)", wrap );
return GL_FALSE;
}
-void GLAPIENTRY
-_mesa_TexParameterf( GLenum target, GLenum pname, GLfloat param )
+/**
+ * Get current texture object for given target.
+ * Return NULL if any error.
+ */
+static struct gl_texture_object *
+get_texobj(GLcontext *ctx, GLenum target)
{
- _mesa_TexParameterfv(target, pname, &param);
+ struct gl_texture_unit *texUnit;
+
+ if (ctx->Texture.CurrentUnit >= ctx->Const.MaxTextureImageUnits) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glTexParameter(current unit)");
+ return NULL;
+ }
+
+ texUnit = _mesa_get_current_tex_unit(ctx);
+
+ switch (target) {
+ case GL_TEXTURE_1D:
+ return texUnit->CurrentTex[TEXTURE_1D_INDEX];
+ case GL_TEXTURE_2D:
+ return texUnit->CurrentTex[TEXTURE_2D_INDEX];
+ case GL_TEXTURE_3D:
+ return texUnit->CurrentTex[TEXTURE_3D_INDEX];
+ case GL_TEXTURE_CUBE_MAP:
+ if (ctx->Extensions.ARB_texture_cube_map) {
+ return texUnit->CurrentTex[TEXTURE_CUBE_INDEX];
+ }
+ break;
+ case GL_TEXTURE_RECTANGLE_NV:
+ if (ctx->Extensions.NV_texture_rectangle) {
+ return texUnit->CurrentTex[TEXTURE_RECT_INDEX];
+ }
+ break;
+ case GL_TEXTURE_1D_ARRAY_EXT:
+ if (ctx->Extensions.MESA_texture_array) {
+ return texUnit->CurrentTex[TEXTURE_1D_ARRAY_INDEX];
+ }
+ break;
+ case GL_TEXTURE_2D_ARRAY_EXT:
+ if (ctx->Extensions.MESA_texture_array) {
+ return texUnit->CurrentTex[TEXTURE_2D_ARRAY_INDEX];
+ }
+ break;
+ default:
+ ;
+ }
+
+ _mesa_error(ctx, GL_INVALID_ENUM, "glTexParameter(target)");
+ return NULL;
}
-void GLAPIENTRY
-_mesa_TexParameterfv( GLenum target, GLenum pname, const GLfloat *params )
+/**
+ * Convert GL_RED/GREEN/BLUE/ALPHA/ZERO/ONE to SWIZZLE_X/Y/Z/W/ZERO/ONE.
+ * \return -1 if error.
+ */
+static GLint
+comp_to_swizzle(GLenum comp)
{
- const GLenum eparam = (GLenum) (GLint) params[0];
- struct gl_texture_unit *texUnit;
- struct gl_texture_object *texObj;
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
+ switch (comp) {
+ case GL_RED:
+ return SWIZZLE_X;
+ case GL_GREEN:
+ return SWIZZLE_Y;
+ case GL_BLUE:
+ return SWIZZLE_Z;
+ case GL_ALPHA:
+ return SWIZZLE_W;
+ case GL_ZERO:
+ return SWIZZLE_ZERO;
+ case GL_ONE:
+ return SWIZZLE_ONE;
+ default:
+ return -1;
+ }
+}
- if (MESA_VERBOSE&(VERBOSE_API|VERBOSE_TEXTURE))
- _mesa_debug(ctx, "glTexParameter %s %s %.1f(%s)...\n",
- _mesa_lookup_enum_by_nr(target),
- _mesa_lookup_enum_by_nr(pname),
- *params,
- _mesa_lookup_enum_by_nr(eparam));
- if (ctx->Texture.CurrentUnit >= ctx->Const.MaxTextureImageUnits) {
- _mesa_error(ctx, GL_INVALID_OPERATION, "glTexParameterfv(current unit)");
- return;
+static void
+set_swizzle_component(GLuint *swizzle, GLuint comp, GLuint swz)
+{
+ ASSERT(comp < 4);
+ ASSERT(swz <= SWIZZLE_NIL);
+ {
+ GLuint mask = 0x7 << (3 * comp);
+ GLuint s = (*swizzle & ~mask) | (swz << (3 * comp));
+ *swizzle = s;
}
+}
- texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
- switch (target) {
- case GL_TEXTURE_1D:
- texObj = texUnit->Current1D;
- break;
- case GL_TEXTURE_2D:
- texObj = texUnit->Current2D;
- break;
- case GL_TEXTURE_3D:
- texObj = texUnit->Current3D;
- break;
- case GL_TEXTURE_CUBE_MAP:
- if (!ctx->Extensions.ARB_texture_cube_map) {
- _mesa_error( ctx, GL_INVALID_ENUM, "glTexParameter(target)" );
- return;
- }
- texObj = texUnit->CurrentCubeMap;
- break;
- case GL_TEXTURE_RECTANGLE_NV:
- if (!ctx->Extensions.NV_texture_rectangle) {
- _mesa_error( ctx, GL_INVALID_ENUM, "glTexParameter(target)" );
- return;
- }
- texObj = texUnit->CurrentRect;
- break;
- case GL_TEXTURE_1D_ARRAY_EXT:
- if (!ctx->Extensions.MESA_texture_array) {
- _mesa_error( ctx, GL_INVALID_ENUM, "glTexParameter(target)" );
- return;
- }
- texObj = texUnit->Current1DArray;
- break;
- case GL_TEXTURE_2D_ARRAY_EXT:
- if (!ctx->Extensions.MESA_texture_array) {
- _mesa_error( ctx, GL_INVALID_ENUM, "glTexParameter(target)" );
- return;
- }
- texObj = texUnit->Current2DArray;
- break;
- default:
- _mesa_error( ctx, GL_INVALID_ENUM, "glTexParameter(target)" );
- return;
- }
+/**
+ * This is called just prior to changing any texture object state.
+ * Any pending rendering will be flushed out, we'll set the _NEW_TEXTURE
+ * state flag and then mark the texture object as 'incomplete' so that any
+ * per-texture derived state gets recomputed.
+ */
+static INLINE void
+flush(GLcontext *ctx, struct gl_texture_object *texObj)
+{
+ FLUSH_VERTICES(ctx, _NEW_TEXTURE);
+ texObj->_Complete = GL_FALSE;
+}
+
+/**
+ * Set an integer-valued texture parameter
+ * \return GL_TRUE if legal AND the value changed, GL_FALSE otherwise
+ */
+static GLboolean
+set_tex_parameteri(GLcontext *ctx,
+ struct gl_texture_object *texObj,
+ GLenum pname, const GLint *params)
+{
switch (pname) {
- case GL_TEXTURE_MIN_FILTER:
- /* A small optimization */
- if (texObj->MinFilter == eparam)
- return;
- if (eparam==GL_NEAREST || eparam==GL_LINEAR) {
- FLUSH_VERTICES(ctx, _NEW_TEXTURE);
- texObj->MinFilter = eparam;
- }
- else if ((eparam==GL_NEAREST_MIPMAP_NEAREST ||
- eparam==GL_LINEAR_MIPMAP_NEAREST ||
- eparam==GL_NEAREST_MIPMAP_LINEAR ||
- eparam==GL_LINEAR_MIPMAP_LINEAR) &&
- texObj->Target != GL_TEXTURE_RECTANGLE_NV) {
- FLUSH_VERTICES(ctx, _NEW_TEXTURE);
- texObj->MinFilter = eparam;
- }
- else {
- _mesa_error( ctx, GL_INVALID_VALUE, "glTexParameter(param)" );
- return;
- }
- break;
- case GL_TEXTURE_MAG_FILTER:
- /* A small optimization */
- if (texObj->MagFilter == eparam)
- return;
+ case GL_TEXTURE_MIN_FILTER:
+ if (texObj->MinFilter == params[0])
+ return GL_FALSE;
+ switch (params[0]) {
+ case GL_NEAREST:
+ case GL_LINEAR:
+ flush(ctx, texObj);
+ texObj->MinFilter = params[0];
+ return GL_TRUE;
+ case GL_NEAREST_MIPMAP_NEAREST:
+ case GL_LINEAR_MIPMAP_NEAREST:
+ case GL_NEAREST_MIPMAP_LINEAR:
+ case GL_LINEAR_MIPMAP_LINEAR:
+ if (texObj->Target != GL_TEXTURE_RECTANGLE_NV) {
+ flush(ctx, texObj);
+ texObj->MinFilter = params[0];
+ return GL_TRUE;
+ }
+ /* fall-through */
+ default:
+ _mesa_error( ctx, GL_INVALID_VALUE, "glTexParameter(param=0x%x)",
+ params[0] );
+ }
+ return GL_FALSE;
- if (eparam==GL_NEAREST || eparam==GL_LINEAR) {
- FLUSH_VERTICES(ctx, _NEW_TEXTURE);
- texObj->MagFilter = eparam;
- }
- else {
- _mesa_error( ctx, GL_INVALID_VALUE, "glTexParameter(param)" );
- return;
- }
- break;
- case GL_TEXTURE_WRAP_S:
- if (texObj->WrapS == eparam)
- return;
- if (validate_texture_wrap_mode(ctx, texObj->Target, eparam)) {
- FLUSH_VERTICES(ctx, _NEW_TEXTURE);
- texObj->WrapS = eparam;
- }
- else {
- return;
- }
- break;
- case GL_TEXTURE_WRAP_T:
- if (texObj->WrapT == eparam)
- return;
- if (validate_texture_wrap_mode(ctx, texObj->Target, eparam)) {
- FLUSH_VERTICES(ctx, _NEW_TEXTURE);
- texObj->WrapT = eparam;
- }
- else {
- return;
- }
- break;
- case GL_TEXTURE_WRAP_R:
- if (texObj->WrapR == eparam)
- return;
- if (validate_texture_wrap_mode(ctx, texObj->Target, eparam)) {
- FLUSH_VERTICES(ctx, _NEW_TEXTURE);
- texObj->WrapR = eparam;
- }
- else {
- return;
- }
- break;
- case GL_TEXTURE_BORDER_COLOR:
- FLUSH_VERTICES(ctx, _NEW_TEXTURE);
- texObj->BorderColor[RCOMP] = params[0];
- texObj->BorderColor[GCOMP] = params[1];
- texObj->BorderColor[BCOMP] = params[2];
- texObj->BorderColor[ACOMP] = params[3];
- UNCLAMPED_FLOAT_TO_CHAN(texObj->_BorderChan[RCOMP], params[0]);
- UNCLAMPED_FLOAT_TO_CHAN(texObj->_BorderChan[GCOMP], params[1]);
- UNCLAMPED_FLOAT_TO_CHAN(texObj->_BorderChan[BCOMP], params[2]);
- UNCLAMPED_FLOAT_TO_CHAN(texObj->_BorderChan[ACOMP], params[3]);
- break;
- case GL_TEXTURE_MIN_LOD:
- if (texObj->MinLod == params[0])
- return;
- FLUSH_VERTICES(ctx, _NEW_TEXTURE);
- texObj->MinLod = params[0];
- break;
- case GL_TEXTURE_MAX_LOD:
- if (texObj->MaxLod == params[0])
- return;
- FLUSH_VERTICES(ctx, _NEW_TEXTURE);
- texObj->MaxLod = params[0];
- break;
- case GL_TEXTURE_BASE_LEVEL:
- if (params[0] < 0.0) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glTexParameter(param)");
- return;
- }
- if (target == GL_TEXTURE_RECTANGLE_ARB && params[0] != 0.0) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glTexParameter(param)");
- return;
- }
- FLUSH_VERTICES(ctx, _NEW_TEXTURE);
- texObj->BaseLevel = (GLint) params[0];
- break;
- case GL_TEXTURE_MAX_LEVEL:
- if (params[0] < 0.0) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glTexParameter(param)");
- return;
- }
- if (target == GL_TEXTURE_RECTANGLE_ARB) {
- _mesa_error(ctx, GL_INVALID_OPERATION, "glTexParameter(param)");
- return;
- }
- FLUSH_VERTICES(ctx, _NEW_TEXTURE);
- texObj->MaxLevel = (GLint) params[0];
- break;
- case GL_TEXTURE_PRIORITY:
- FLUSH_VERTICES(ctx, _NEW_TEXTURE);
- texObj->Priority = CLAMP( params[0], 0.0F, 1.0F );
- break;
- case GL_TEXTURE_MAX_ANISOTROPY_EXT:
- if (ctx->Extensions.EXT_texture_filter_anisotropic) {
- if (params[0] < 1.0) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glTexParameter(param)" );
- return;
- }
- FLUSH_VERTICES(ctx, _NEW_TEXTURE);
- /* clamp to max, that's what NVIDIA does */
- texObj->MaxAnisotropy = MIN2(params[0],
- ctx->Const.MaxTextureMaxAnisotropy);
- }
- else {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glTexParameter(pname=GL_TEXTURE_MAX_ANISOTROPY_EXT)");
- return;
- }
- break;
- case GL_TEXTURE_COMPARE_SGIX:
- if (ctx->Extensions.SGIX_shadow) {
- FLUSH_VERTICES(ctx, _NEW_TEXTURE);
- texObj->CompareFlag = params[0] ? GL_TRUE : GL_FALSE;
- }
- else {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glTexParameter(pname=GL_TEXTURE_COMPARE_SGIX)");
- return;
- }
- break;
- case GL_TEXTURE_COMPARE_OPERATOR_SGIX:
- if (ctx->Extensions.SGIX_shadow) {
- GLenum op = (GLenum) params[0];
- if (op == GL_TEXTURE_LEQUAL_R_SGIX ||
- op == GL_TEXTURE_GEQUAL_R_SGIX) {
- FLUSH_VERTICES(ctx, _NEW_TEXTURE);
- texObj->CompareOperator = op;
- }
- else {
- _mesa_error(ctx, GL_INVALID_ENUM, "glTexParameter(param)");
- }
- }
- else {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glTexParameter(pname=GL_TEXTURE_COMPARE_OPERATOR_SGIX)");
- return;
- }
- break;
- case GL_SHADOW_AMBIENT_SGIX: /* aka GL_TEXTURE_COMPARE_FAIL_VALUE_ARB */
- if (ctx->Extensions.SGIX_shadow_ambient) {
- FLUSH_VERTICES(ctx, _NEW_TEXTURE);
- texObj->ShadowAmbient = CLAMP(params[0], 0.0F, 1.0F);
- }
- else {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glTexParameter(pname=GL_SHADOW_AMBIENT_SGIX)");
- return;
- }
- break;
- case GL_GENERATE_MIPMAP_SGIS:
- if (ctx->Extensions.SGIS_generate_mipmap) {
- FLUSH_VERTICES(ctx, _NEW_TEXTURE);
+ case GL_TEXTURE_MAG_FILTER:
+ if (texObj->MagFilter == params[0])
+ return GL_FALSE;
+ switch (params[0]) {
+ case GL_NEAREST:
+ case GL_LINEAR:
+ flush(ctx, texObj);
+ texObj->MagFilter = params[0];
+ return GL_TRUE;
+ default:
+ _mesa_error( ctx, GL_INVALID_VALUE, "glTexParameter(param=0x%x)",
+ params[0]);
+ }
+ return GL_FALSE;
+
+ case GL_TEXTURE_WRAP_S:
+ if (texObj->WrapS == params[0])
+ return GL_FALSE;
+ if (validate_texture_wrap_mode(ctx, texObj->Target, params[0])) {
+ flush(ctx, texObj);
+ texObj->WrapS = params[0];
+ return GL_TRUE;
+ }
+ return GL_FALSE;
+
+ case GL_TEXTURE_WRAP_T:
+ if (texObj->WrapT == params[0])
+ return GL_FALSE;
+ if (validate_texture_wrap_mode(ctx, texObj->Target, params[0])) {
+ flush(ctx, texObj);
+ texObj->WrapT = params[0];
+ return GL_TRUE;
+ }
+ return GL_FALSE;
+
+ case GL_TEXTURE_WRAP_R:
+ if (texObj->WrapR == params[0])
+ return GL_FALSE;
+ if (validate_texture_wrap_mode(ctx, texObj->Target, params[0])) {
+ flush(ctx, texObj);
+ texObj->WrapR = params[0];
+ return GL_TRUE;
+ }
+ return GL_FALSE;
+
+ case GL_TEXTURE_BASE_LEVEL:
+ if (texObj->BaseLevel == params[0])
+ return GL_FALSE;
+ if (params[0] < 0 ||
+ (texObj->Target == GL_TEXTURE_RECTANGLE_ARB && params[0] != 0)) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glTexParameter(param=%d)", params[0]);
+ return GL_FALSE;
+ }
+ flush(ctx, texObj);
+ texObj->BaseLevel = params[0];
+ return GL_TRUE;
+
+ case GL_TEXTURE_MAX_LEVEL:
+ if (texObj->MaxLevel == params[0])
+ return GL_FALSE;
+ if (params[0] < 0 || texObj->Target == GL_TEXTURE_RECTANGLE_ARB) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glTexParameter(param=%d)", params[0]);
+ return GL_FALSE;
+ }
+ flush(ctx, texObj);
+ texObj->MaxLevel = params[0];
+ return GL_TRUE;
+
+ case GL_GENERATE_MIPMAP_SGIS:
+ if (ctx->Extensions.SGIS_generate_mipmap) {
+ if (texObj->GenerateMipmap != params[0]) {
+ flush(ctx, texObj);
texObj->GenerateMipmap = params[0] ? GL_TRUE : GL_FALSE;
+ return GL_TRUE;
}
- else {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glTexParameter(pname=GL_GENERATE_MIPMAP_SGIS)");
- return;
- }
- break;
- case GL_TEXTURE_COMPARE_MODE_ARB:
- if (ctx->Extensions.ARB_shadow) {
- const GLenum mode = (GLenum) params[0];
- if (mode == GL_NONE || mode == GL_COMPARE_R_TO_TEXTURE_ARB) {
- FLUSH_VERTICES(ctx, _NEW_TEXTURE);
- texObj->CompareMode = mode;
- }
- else {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glTexParameter(bad GL_TEXTURE_COMPARE_MODE_ARB: 0x%x)", mode);
- return;
- }
- }
- else {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glTexParameter(pname=GL_TEXTURE_COMPARE_MODE_ARB)");
- return;
- }
- break;
- case GL_TEXTURE_COMPARE_FUNC_ARB:
- if (ctx->Extensions.ARB_shadow) {
- const GLenum func = (GLenum) params[0];
- if (func == GL_LEQUAL || func == GL_GEQUAL) {
- FLUSH_VERTICES(ctx, _NEW_TEXTURE);
- texObj->CompareFunc = func;
- }
- else if (ctx->Extensions.EXT_shadow_funcs &&
- (func == GL_EQUAL ||
- func == GL_NOTEQUAL ||
- func == GL_LESS ||
- func == GL_GREATER ||
- func == GL_ALWAYS ||
- func == GL_NEVER)) {
- FLUSH_VERTICES(ctx, _NEW_TEXTURE);
- texObj->CompareFunc = func;
- }
- else {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glTexParameter(bad GL_TEXTURE_COMPARE_FUNC_ARB)");
- return;
+ return GL_FALSE;
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glTexParameter(pname=GL_GENERATE_MIPMAP_SGIS)");
+ }
+ return GL_FALSE;
+
+ case GL_TEXTURE_COMPARE_MODE_ARB:
+ if (ctx->Extensions.ARB_shadow &&
+ (params[0] == GL_NONE ||
+ params[0] == GL_COMPARE_R_TO_TEXTURE_ARB)) {
+ if (texObj->CompareMode != params[0]) {
+ flush(ctx, texObj);
+ texObj->CompareMode = params[0];
+ return GL_TRUE;
+ }
+ return GL_FALSE;
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glTexParameter(GL_TEXTURE_COMPARE_MODE_ARB)");
+ }
+ return GL_FALSE;
+
+ case GL_TEXTURE_COMPARE_FUNC_ARB:
+ if (ctx->Extensions.ARB_shadow) {
+ if (texObj->CompareFunc == params[0])
+ return GL_FALSE;
+ switch (params[0]) {
+ case GL_LEQUAL:
+ case GL_GEQUAL:
+ flush(ctx, texObj);
+ texObj->CompareFunc = params[0];
+ return GL_TRUE;
+ case GL_EQUAL:
+ case GL_NOTEQUAL:
+ case GL_LESS:
+ case GL_GREATER:
+ case GL_ALWAYS:
+ case GL_NEVER:
+ if (ctx->Extensions.EXT_shadow_funcs) {
+ flush(ctx, texObj);
+ texObj->CompareFunc = params[0];
+ return GL_TRUE;
}
- }
- else {
+ /* fall-through */
+ default:
_mesa_error(ctx, GL_INVALID_ENUM,
- "glTexParameter(pname=GL_TEXTURE_COMPARE_FUNC_ARB)");
- return;
+ "glTexParameter(GL_TEXTURE_COMPARE_FUNC_ARB)");
}
- break;
- case GL_DEPTH_TEXTURE_MODE_ARB:
- if (ctx->Extensions.ARB_depth_texture) {
- const GLenum result = (GLenum) params[0];
- if (result == GL_LUMINANCE || result == GL_INTENSITY
- || result == GL_ALPHA) {
- FLUSH_VERTICES(ctx, _NEW_TEXTURE);
- texObj->DepthMode = result;
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glTexParameter(pname=0x%x)", pname);
+ }
+ return GL_FALSE;
+
+ case GL_DEPTH_TEXTURE_MODE_ARB:
+ if (ctx->Extensions.ARB_depth_texture &&
+ (params[0] == GL_LUMINANCE ||
+ params[0] == GL_INTENSITY ||
+ params[0] == GL_ALPHA)) {
+ if (texObj->DepthMode != params[0]) {
+ flush(ctx, texObj);
+ texObj->DepthMode = params[0];
+ return GL_TRUE;
+ }
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glTexParameter(GL_DEPTH_TEXTURE_MODE_ARB)");
+ }
+ return GL_FALSE;
+
+#ifdef FEATURE_OES_draw_texture
+ case GL_TEXTURE_CROP_RECT_OES:
+ texObj->CropRect[0] = params[0];
+ texObj->CropRect[1] = params[1];
+ texObj->CropRect[2] = params[2];
+ texObj->CropRect[3] = params[3];
+ return GL_TRUE;
+#endif
+
+ case GL_TEXTURE_SWIZZLE_R_EXT:
+ case GL_TEXTURE_SWIZZLE_G_EXT:
+ case GL_TEXTURE_SWIZZLE_B_EXT:
+ case GL_TEXTURE_SWIZZLE_A_EXT:
+ if (ctx->Extensions.EXT_texture_swizzle) {
+ const GLuint comp = pname - GL_TEXTURE_SWIZZLE_R_EXT;
+ const GLint swz = comp_to_swizzle(params[0]);
+ if (swz < 0) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glTexParameter(swizzle 0x%x)", params[0]);
+ return GL_FALSE;
+ }
+ ASSERT(comp < 4);
+ if (swz >= 0) {
+ flush(ctx, texObj);
+ texObj->Swizzle[comp] = params[0];
+ set_swizzle_component(&texObj->_Swizzle, comp, swz);
+ return GL_TRUE;
+ }
+ }
+ _mesa_error(ctx, GL_INVALID_ENUM, "glTexParameter(pname=0x%x)", pname);
+ return GL_FALSE;
+
+ case GL_TEXTURE_SWIZZLE_RGBA_EXT:
+ if (ctx->Extensions.EXT_texture_swizzle) {
+ GLuint comp;
+ flush(ctx, texObj);
+ for (comp = 0; comp < 4; comp++) {
+ const GLint swz = comp_to_swizzle(params[comp]);
+ if (swz >= 0) {
+ texObj->Swizzle[comp] = params[comp];
+ set_swizzle_component(&texObj->_Swizzle, comp, swz);
}
else {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glTexParameter(bad GL_DEPTH_TEXTURE_MODE_ARB)");
- return;
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glTexParameter(swizzle 0x%x)", params[comp]);
+ return GL_FALSE;
}
}
- else {
+ return GL_TRUE;
+ }
+ _mesa_error(ctx, GL_INVALID_ENUM, "glTexParameter(pname=0x%x)", pname);
+ return GL_FALSE;
+
+ default:
+ _mesa_error(ctx, GL_INVALID_ENUM, "glTexParameter(pname=0x%x)", pname);
+ }
+ return GL_FALSE;
+}
+
+
+/**
+ * Set a float-valued texture parameter
+ * \return GL_TRUE if legal AND the value changed, GL_FALSE otherwise
+ */
+static GLboolean
+set_tex_parameterf(GLcontext *ctx,
+ struct gl_texture_object *texObj,
+ GLenum pname, const GLfloat *params)
+{
+ switch (pname) {
+ case GL_TEXTURE_MIN_LOD:
+ if (texObj->MinLod == params[0])
+ return GL_FALSE;
+ flush(ctx, texObj);
+ texObj->MinLod = params[0];
+ return GL_TRUE;
+
+ case GL_TEXTURE_MAX_LOD:
+ if (texObj->MaxLod == params[0])
+ return GL_FALSE;
+ flush(ctx, texObj);
+ texObj->MaxLod = params[0];
+ return GL_TRUE;
+
+ case GL_TEXTURE_PRIORITY:
+ flush(ctx, texObj);
+ texObj->Priority = CLAMP(params[0], 0.0F, 1.0F);
+ return GL_TRUE;
+
+ case GL_TEXTURE_MAX_ANISOTROPY_EXT:
+ if (ctx->Extensions.EXT_texture_filter_anisotropic) {
+ if (texObj->MaxAnisotropy == params[0])
+ return GL_FALSE;
+ if (params[0] < 1.0) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glTexParameter(param)" );
+ return GL_FALSE;
+ }
+ flush(ctx, texObj);
+ /* clamp to max, that's what NVIDIA does */
+ texObj->MaxAnisotropy = MIN2(params[0],
+ ctx->Const.MaxTextureMaxAnisotropy);
+ return GL_TRUE;
+ }
+ else {
+ static GLuint count = 0;
+ if (count++ < 10)
_mesa_error(ctx, GL_INVALID_ENUM,
- "glTexParameter(pname=GL_DEPTH_TEXTURE_MODE_ARB)");
- return;
- }
- break;
- case GL_TEXTURE_LOD_BIAS:
- /* NOTE: this is really part of OpenGL 1.4, not EXT_texture_lod_bias*/
- if (ctx->Extensions.EXT_texture_lod_bias) {
- if (texObj->LodBias != params[0]) {
- FLUSH_VERTICES(ctx, _NEW_TEXTURE);
- texObj->LodBias = params[0];
- }
- }
- break;
-#ifdef FEATURE_OES_draw_texture
- case GL_TEXTURE_CROP_RECT_OES:
- texObj->CropRect[0] = (GLint) params[0];
- texObj->CropRect[1] = (GLint) params[1];
- texObj->CropRect[2] = (GLint) params[2];
- texObj->CropRect[3] = (GLint) params[3];
- break;
-#endif
+ "glTexParameter(pname=GL_TEXTURE_MAX_ANISOTROPY_EXT)");
+ }
+ return GL_FALSE;
- default:
+ case GL_TEXTURE_COMPARE_FAIL_VALUE_ARB:
+ if (ctx->Extensions.ARB_shadow_ambient) {
+ if (texObj->CompareFailValue != params[0]) {
+ flush(ctx, texObj);
+ texObj->CompareFailValue = CLAMP(params[0], 0.0F, 1.0F);
+ return GL_TRUE;
+ }
+ }
+ else {
_mesa_error(ctx, GL_INVALID_ENUM,
- "glTexParameter(pname=0x%x)", pname);
- return;
+ "glTexParameter(pname=GL_TEXTURE_COMPARE_FAIL_VALUE_ARB)");
+ }
+ return GL_FALSE;
+
+ case GL_TEXTURE_LOD_BIAS:
+ /* NOTE: this is really part of OpenGL 1.4, not EXT_texture_lod_bias */
+ if (ctx->Extensions.EXT_texture_lod_bias) {
+ if (texObj->LodBias != params[0]) {
+ flush(ctx, texObj);
+ texObj->LodBias = params[0];
+ return GL_TRUE;
+ }
+ return GL_FALSE;
+ }
+ break;
+
+ case GL_TEXTURE_BORDER_COLOR:
+ flush(ctx, texObj);
+ texObj->BorderColor[RCOMP] = params[0];
+ texObj->BorderColor[GCOMP] = params[1];
+ texObj->BorderColor[BCOMP] = params[2];
+ texObj->BorderColor[ACOMP] = params[3];
+ return GL_TRUE;
+
+ default:
+ _mesa_error(ctx, GL_INVALID_ENUM, "glTexParameter(pname=0x%x)", pname);
}
+ return GL_FALSE;
+}
- texObj->_Complete = GL_FALSE;
- if (ctx->Driver.TexParameter) {
- (*ctx->Driver.TexParameter)( ctx, target, texObj, pname, params );
+void GLAPIENTRY
+_mesa_TexParameterf(GLenum target, GLenum pname, GLfloat param)
+{
+ GLboolean need_update;
+ struct gl_texture_object *texObj;
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ texObj = get_texobj(ctx, target);
+ if (!texObj)
+ return;
+
+ switch (pname) {
+ case GL_TEXTURE_MIN_FILTER:
+ case GL_TEXTURE_MAG_FILTER:
+ case GL_TEXTURE_WRAP_S:
+ case GL_TEXTURE_WRAP_T:
+ case GL_TEXTURE_WRAP_R:
+ case GL_TEXTURE_BASE_LEVEL:
+ case GL_TEXTURE_MAX_LEVEL:
+ case GL_GENERATE_MIPMAP_SGIS:
+ case GL_TEXTURE_COMPARE_MODE_ARB:
+ case GL_TEXTURE_COMPARE_FUNC_ARB:
+ case GL_DEPTH_TEXTURE_MODE_ARB:
+ {
+ /* convert float param to int */
+ GLint p = (GLint) param;
+ need_update = set_tex_parameteri(ctx, texObj, pname, &p);
+ }
+ break;
+ default:
+ /* this will generate an error if pname is illegal */
+ need_update = set_tex_parameterf(ctx, texObj, pname, &param);
+ }
+
+ if (ctx->Driver.TexParameter && need_update) {
+ ctx->Driver.TexParameter(ctx, target, texObj, pname, &param);
}
}
void GLAPIENTRY
-_mesa_TexParameteri( GLenum target, GLenum pname, GLint param )
+_mesa_TexParameterfv(GLenum target, GLenum pname, const GLfloat *params)
{
- GLfloat fparam[4];
- if (pname == GL_TEXTURE_PRIORITY)
- fparam[0] = INT_TO_FLOAT(param);
- else
- fparam[0] = (GLfloat) param;
- fparam[1] = fparam[2] = fparam[3] = 0.0;
- _mesa_TexParameterfv(target, pname, fparam);
+ GLboolean need_update;
+ struct gl_texture_object *texObj;
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ texObj = get_texobj(ctx, target);
+ if (!texObj)
+ return;
+
+ switch (pname) {
+ case GL_TEXTURE_MIN_FILTER:
+ case GL_TEXTURE_MAG_FILTER:
+ case GL_TEXTURE_WRAP_S:
+ case GL_TEXTURE_WRAP_T:
+ case GL_TEXTURE_WRAP_R:
+ case GL_TEXTURE_BASE_LEVEL:
+ case GL_TEXTURE_MAX_LEVEL:
+ case GL_GENERATE_MIPMAP_SGIS:
+ case GL_TEXTURE_COMPARE_MODE_ARB:
+ case GL_TEXTURE_COMPARE_FUNC_ARB:
+ case GL_DEPTH_TEXTURE_MODE_ARB:
+ {
+ /* convert float param to int */
+ GLint p = (GLint) params[0];
+ need_update = set_tex_parameteri(ctx, texObj, pname, &p);
+ }
+ break;
+
+#ifdef FEATURE_OES_draw_texture
+ case GL_TEXTURE_CROP_RECT_OES:
+ {
+ /* convert float params to int */
+ GLint iparams[4];
+ iparams[0] = (GLint) params[0];
+ iparams[1] = (GLint) params[1];
+ iparams[2] = (GLint) params[2];
+ iparams[3] = (GLint) params[3];
+ need_update = set_tex_parameteri(ctx, texObj, pname, iparams);
+ }
+ break;
+#endif
+
+ default:
+ /* this will generate an error if pname is illegal */
+ need_update = set_tex_parameterf(ctx, texObj, pname, params);
+ }
+
+ if (ctx->Driver.TexParameter && need_update) {
+ ctx->Driver.TexParameter(ctx, target, texObj, pname, params);
+ }
}
void GLAPIENTRY
-_mesa_TexParameteriv( GLenum target, GLenum pname, const GLint *params )
+_mesa_TexParameteri(GLenum target, GLenum pname, GLint param)
{
- GLfloat fparam[4];
- if (pname == GL_TEXTURE_BORDER_COLOR) {
- fparam[0] = INT_TO_FLOAT(params[0]);
- fparam[1] = INT_TO_FLOAT(params[1]);
- fparam[2] = INT_TO_FLOAT(params[2]);
- fparam[3] = INT_TO_FLOAT(params[3]);
+ GLboolean need_update;
+ struct gl_texture_object *texObj;
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ texObj = get_texobj(ctx, target);
+ if (!texObj)
+ return;
+
+ switch (pname) {
+ case GL_TEXTURE_MIN_LOD:
+ case GL_TEXTURE_MAX_LOD:
+ case GL_TEXTURE_PRIORITY:
+ case GL_TEXTURE_MAX_ANISOTROPY_EXT:
+ case GL_TEXTURE_LOD_BIAS:
+ case GL_TEXTURE_COMPARE_FAIL_VALUE_ARB:
+ {
+ GLfloat fparam = (GLfloat) param;
+ /* convert int param to float */
+ need_update = set_tex_parameterf(ctx, texObj, pname, &fparam);
+ }
+ break;
+ default:
+ /* this will generate an error if pname is illegal */
+ need_update = set_tex_parameteri(ctx, texObj, pname, &param);
}
- else if (pname == GL_TEXTURE_CROP_RECT_OES) {
- fparam[0] = (GLfloat) params[0];
- fparam[1] = (GLfloat) params[1];
- fparam[2] = (GLfloat) params[2];
- fparam[3] = (GLfloat) params[3];
+
+ if (ctx->Driver.TexParameter && need_update) {
+ GLfloat fparam = (GLfloat) param;
+ ctx->Driver.TexParameter(ctx, target, texObj, pname, &fparam);
}
- else {
- if (pname == GL_TEXTURE_PRIORITY)
- fparam[0] = INT_TO_FLOAT(params[0]);
- else
- fparam[0] = (GLfloat) params[0];
- fparam[1] = fparam[2] = fparam[3] = 0.0F;
+}
+
+
+void GLAPIENTRY
+_mesa_TexParameteriv(GLenum target, GLenum pname, const GLint *params)
+{
+ GLboolean need_update;
+ struct gl_texture_object *texObj;
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ texObj = get_texobj(ctx, target);
+ if (!texObj)
+ return;
+
+ switch (pname) {
+ case GL_TEXTURE_BORDER_COLOR:
+ {
+ /* convert int params to float */
+ GLfloat fparams[4];
+ fparams[0] = INT_TO_FLOAT(params[0]);
+ fparams[1] = INT_TO_FLOAT(params[1]);
+ fparams[2] = INT_TO_FLOAT(params[2]);
+ fparams[3] = INT_TO_FLOAT(params[3]);
+ need_update = set_tex_parameterf(ctx, texObj, pname, fparams);
+ }
+ break;
+ case GL_TEXTURE_MIN_LOD:
+ case GL_TEXTURE_MAX_LOD:
+ case GL_TEXTURE_PRIORITY:
+ case GL_TEXTURE_MAX_ANISOTROPY_EXT:
+ case GL_TEXTURE_LOD_BIAS:
+ case GL_TEXTURE_COMPARE_FAIL_VALUE_ARB:
+ {
+ /* convert int param to float */
+ GLfloat fparam = (GLfloat) params[0];
+ need_update = set_tex_parameterf(ctx, texObj, pname, &fparam);
+ }
+ break;
+ default:
+ /* this will generate an error if pname is illegal */
+ need_update = set_tex_parameteri(ctx, texObj, pname, params);
+ }
+
+ if (ctx->Driver.TexParameter && need_update) {
+ GLfloat fparams[4];
+ fparams[0] = INT_TO_FLOAT(params[0]);
+ if (pname == GL_TEXTURE_BORDER_COLOR ||
+ pname == GL_TEXTURE_CROP_RECT_OES) {
+ fparams[1] = INT_TO_FLOAT(params[1]);
+ fparams[2] = INT_TO_FLOAT(params[2]);
+ fparams[3] = INT_TO_FLOAT(params[3]);
+ }
+ ctx->Driver.TexParameter(ctx, target, texObj, pname, fparams);
}
- _mesa_TexParameterfv(target, pname, fparam);
}
@@ -483,44 +717,6 @@ _mesa_GetTexLevelParameterfv( GLenum target, GLint level,
}
-static GLuint
-tex_image_dimensions(GLcontext *ctx, GLenum target)
-{
- switch (target) {
- case GL_TEXTURE_1D:
- case GL_PROXY_TEXTURE_1D:
- return 1;
- case GL_TEXTURE_2D:
- case GL_PROXY_TEXTURE_2D:
- return 2;
- case GL_TEXTURE_3D:
- case GL_PROXY_TEXTURE_3D:
- return 3;
- case GL_TEXTURE_CUBE_MAP:
- case GL_PROXY_TEXTURE_CUBE_MAP:
- case GL_TEXTURE_CUBE_MAP_POSITIVE_X:
- case GL_TEXTURE_CUBE_MAP_NEGATIVE_X:
- case GL_TEXTURE_CUBE_MAP_POSITIVE_Y:
- case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y:
- case GL_TEXTURE_CUBE_MAP_POSITIVE_Z:
- case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z:
- return ctx->Extensions.ARB_texture_cube_map ? 2 : 0;
- case GL_TEXTURE_RECTANGLE_NV:
- case GL_PROXY_TEXTURE_RECTANGLE_NV:
- return ctx->Extensions.NV_texture_rectangle ? 2 : 0;
- case GL_TEXTURE_1D_ARRAY_EXT:
- case GL_PROXY_TEXTURE_1D_ARRAY_EXT:
- return ctx->Extensions.MESA_texture_array ? 2 : 0;
- case GL_TEXTURE_2D_ARRAY_EXT:
- case GL_PROXY_TEXTURE_2D_ARRAY_EXT:
- return ctx->Extensions.MESA_texture_array ? 3 : 0;
- default:
- _mesa_problem(ctx, "bad target in _mesa_tex_target_dimensions()");
- return 0;
- }
-}
-
-
void GLAPIENTRY
_mesa_GetTexLevelParameteriv( GLenum target, GLint level,
GLenum pname, GLint *params )
@@ -528,7 +724,6 @@ _mesa_GetTexLevelParameteriv( GLenum target, GLint level,
const struct gl_texture_unit *texUnit;
struct gl_texture_object *texObj;
const struct gl_texture_image *img = NULL;
- GLuint dimensions;
GLboolean isProxy;
GLint maxLevels;
GET_CURRENT_CONTEXT(ctx);
@@ -540,19 +735,13 @@ _mesa_GetTexLevelParameteriv( GLenum target, GLint level,
return;
}
- texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
+ texUnit = _mesa_get_current_tex_unit(ctx);
/* this will catch bad target values */
- dimensions = tex_image_dimensions(ctx, target); /* 1, 2 or 3 */
- if (dimensions == 0) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexLevelParameter[if]v(target)");
- return;
- }
-
maxLevels = _mesa_max_texture_levels(ctx, target);
if (maxLevels == 0) {
- /* should not happen since <target> was just checked above */
- _mesa_problem(ctx, "maxLevels=0 in _mesa_GetTexLevelParameter");
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glGetTexLevelParameter[if]v(target=0x%x)", target);
return;
}
@@ -649,7 +838,8 @@ _mesa_GetTexLevelParameteriv( GLenum target, GLint level,
"glGetTexLevelParameter[if]v(pname)");
break;
case GL_TEXTURE_STENCIL_SIZE_EXT:
- if (ctx->Extensions.EXT_packed_depth_stencil) {
+ if (ctx->Extensions.EXT_packed_depth_stencil ||
+ ctx->Extensions.ARB_framebuffer_object) {
*params = img->TexFormat->StencilBits;
}
else {
@@ -660,33 +850,21 @@ _mesa_GetTexLevelParameteriv( GLenum target, GLint level,
/* GL_ARB_texture_compression */
case GL_TEXTURE_COMPRESSED_IMAGE_SIZE:
- if (ctx->Extensions.ARB_texture_compression) {
- if (img->IsCompressed && !isProxy) {
- /* Don't use ctx->Driver.CompressedTextureSize() since that
- * may returned a padded hardware size.
- */
- *params = _mesa_compressed_texture_size(ctx, img->Width,
- img->Height, img->Depth,
- img->TexFormat->MesaFormat);
- }
- else {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glGetTexLevelParameter[if]v(pname)");
- }
- }
- else {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glGetTexLevelParameter[if]v(pname)");
- }
+ if (img->IsCompressed && !isProxy) {
+ /* Don't use ctx->Driver.CompressedTextureSize() since that
+ * may returned a padded hardware size.
+ */
+ *params = _mesa_compressed_texture_size(ctx, img->Width,
+ img->Height, img->Depth,
+ img->TexFormat->MesaFormat);
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glGetTexLevelParameter[if]v(pname)");
+ }
break;
case GL_TEXTURE_COMPRESSED:
- if (ctx->Extensions.ARB_texture_compression) {
- *params = (GLint) img->IsCompressed;
- }
- else {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glGetTexLevelParameter[if]v(pname)");
- }
+ *params = (GLint) img->IsCompressed;
break;
/* GL_ARB_texture_float */
@@ -780,7 +958,7 @@ _mesa_GetTexParameterfv( GLenum target, GLenum pname, GLfloat *params )
return;
}
- texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
+ texUnit = _mesa_get_current_tex_unit(ctx);
obj = _mesa_select_tex_object(ctx, texUnit, target);
if (!obj) {
@@ -841,63 +1019,49 @@ _mesa_GetTexParameterfv( GLenum target, GLenum pname, GLfloat *params )
*params = obj->MaxAnisotropy;
}
else
- error = 1;
- break;
- case GL_TEXTURE_COMPARE_SGIX:
- if (ctx->Extensions.SGIX_shadow) {
- *params = (GLfloat) obj->CompareFlag;
- }
- else
- error = 1;
- break;
- case GL_TEXTURE_COMPARE_OPERATOR_SGIX:
- if (ctx->Extensions.SGIX_shadow) {
- *params = (GLfloat) obj->CompareOperator;
- }
- else
- error = 1;
+ error = GL_TRUE;
break;
- case GL_SHADOW_AMBIENT_SGIX: /* aka GL_TEXTURE_COMPARE_FAIL_VALUE_ARB */
- if (ctx->Extensions.SGIX_shadow_ambient) {
- *params = obj->ShadowAmbient;
+ case GL_TEXTURE_COMPARE_FAIL_VALUE_ARB:
+ if (ctx->Extensions.ARB_shadow_ambient) {
+ *params = obj->CompareFailValue;
}
else
- error = 1;
+ error = GL_TRUE;
break;
case GL_GENERATE_MIPMAP_SGIS:
if (ctx->Extensions.SGIS_generate_mipmap) {
*params = (GLfloat) obj->GenerateMipmap;
}
else
- error = 1;
+ error = GL_TRUE;
break;
case GL_TEXTURE_COMPARE_MODE_ARB:
if (ctx->Extensions.ARB_shadow) {
*params = (GLfloat) obj->CompareMode;
}
else
- error = 1;
+ error = GL_TRUE;
break;
case GL_TEXTURE_COMPARE_FUNC_ARB:
if (ctx->Extensions.ARB_shadow) {
*params = (GLfloat) obj->CompareFunc;
}
else
- error = 1;
+ error = GL_TRUE;
break;
case GL_DEPTH_TEXTURE_MODE_ARB:
if (ctx->Extensions.ARB_depth_texture) {
*params = (GLfloat) obj->DepthMode;
}
else
- error = 1;
+ error = GL_TRUE;
break;
case GL_TEXTURE_LOD_BIAS:
if (ctx->Extensions.EXT_texture_lod_bias) {
*params = obj->LodBias;
}
else
- error = 1;
+ error = GL_TRUE;
break;
#ifdef FEATURE_OES_draw_texture
case GL_TEXTURE_CROP_RECT_OES:
@@ -907,10 +1071,37 @@ _mesa_GetTexParameterfv( GLenum target, GLenum pname, GLfloat *params )
params[3] = obj->CropRect[3];
break;
#endif
+
+ case GL_TEXTURE_SWIZZLE_R_EXT:
+ case GL_TEXTURE_SWIZZLE_G_EXT:
+ case GL_TEXTURE_SWIZZLE_B_EXT:
+ case GL_TEXTURE_SWIZZLE_A_EXT:
+ if (ctx->Extensions.EXT_texture_swizzle) {
+ GLuint comp = pname - GL_TEXTURE_SWIZZLE_R_EXT;
+ *params = (GLfloat) obj->Swizzle[comp];
+ }
+ else {
+ error = GL_TRUE;
+ }
+ break;
+
+ case GL_TEXTURE_SWIZZLE_RGBA_EXT:
+ if (ctx->Extensions.EXT_texture_swizzle) {
+ GLuint comp;
+ for (comp = 0; comp < 4; comp++) {
+ params[comp] = (GLfloat) obj->Swizzle[comp];
+ }
+ }
+ else {
+ error = GL_TRUE;
+ }
+ break;
+
default:
- error = 1;
+ error = GL_TRUE;
break;
}
+
if (error)
_mesa_error(ctx, GL_INVALID_ENUM, "glGetTexParameterfv(pname=0x%x)",
pname);
@@ -924,6 +1115,7 @@ _mesa_GetTexParameteriv( GLenum target, GLenum pname, GLint *params )
{
struct gl_texture_unit *texUnit;
struct gl_texture_object *obj;
+ GLboolean error = GL_FALSE;
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END(ctx);
@@ -933,7 +1125,7 @@ _mesa_GetTexParameteriv( GLenum target, GLenum pname, GLint *params )
return;
}
- texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
+ texUnit = _mesa_get_current_tex_unit(ctx);
obj = _mesa_select_tex_object(ctx, texUnit, target);
if (!obj) {
@@ -944,19 +1136,19 @@ _mesa_GetTexParameteriv( GLenum target, GLenum pname, GLint *params )
switch (pname) {
case GL_TEXTURE_MAG_FILTER:
*params = (GLint) obj->MagFilter;
- return;
+ break;;
case GL_TEXTURE_MIN_FILTER:
*params = (GLint) obj->MinFilter;
- return;
+ break;;
case GL_TEXTURE_WRAP_S:
*params = (GLint) obj->WrapS;
- return;
+ break;;
case GL_TEXTURE_WRAP_T:
*params = (GLint) obj->WrapT;
- return;
+ break;;
case GL_TEXTURE_WRAP_R:
*params = (GLint) obj->WrapR;
- return;
+ break;;
case GL_TEXTURE_BORDER_COLOR:
{
GLfloat b[4];
@@ -969,7 +1161,7 @@ _mesa_GetTexParameteriv( GLenum target, GLenum pname, GLint *params )
params[2] = FLOAT_TO_INT(b[2]);
params[3] = FLOAT_TO_INT(b[3]);
}
- return;
+ break;;
case GL_TEXTURE_RESIDENT:
{
GLboolean resident;
@@ -979,74 +1171,76 @@ _mesa_GetTexParameteriv( GLenum target, GLenum pname, GLint *params )
resident = GL_TRUE;
*params = (GLint) resident;
}
- return;
+ break;;
case GL_TEXTURE_PRIORITY:
*params = FLOAT_TO_INT(obj->Priority);
- return;
+ break;;
case GL_TEXTURE_MIN_LOD:
*params = (GLint) obj->MinLod;
- return;
+ break;;
case GL_TEXTURE_MAX_LOD:
*params = (GLint) obj->MaxLod;
- return;
+ break;;
case GL_TEXTURE_BASE_LEVEL:
*params = obj->BaseLevel;
- return;
+ break;;
case GL_TEXTURE_MAX_LEVEL:
*params = obj->MaxLevel;
- return;
+ break;;
case GL_TEXTURE_MAX_ANISOTROPY_EXT:
if (ctx->Extensions.EXT_texture_filter_anisotropic) {
*params = (GLint) obj->MaxAnisotropy;
- return;
}
- break;
- case GL_TEXTURE_COMPARE_SGIX:
- if (ctx->Extensions.SGIX_shadow) {
- *params = (GLint) obj->CompareFlag;
- return;
+ else {
+ error = GL_TRUE;
}
break;
- case GL_TEXTURE_COMPARE_OPERATOR_SGIX:
- if (ctx->Extensions.SGIX_shadow) {
- *params = (GLint) obj->CompareOperator;
- return;
+ case GL_TEXTURE_COMPARE_FAIL_VALUE_ARB:
+ if (ctx->Extensions.ARB_shadow_ambient) {
+ *params = (GLint) FLOAT_TO_INT(obj->CompareFailValue);
}
- break;
- case GL_SHADOW_AMBIENT_SGIX: /* aka GL_TEXTURE_COMPARE_FAIL_VALUE_ARB */
- if (ctx->Extensions.SGIX_shadow_ambient) {
- *params = (GLint) FLOAT_TO_INT(obj->ShadowAmbient);
- return;
+ else {
+ error = GL_TRUE;
}
break;
case GL_GENERATE_MIPMAP_SGIS:
if (ctx->Extensions.SGIS_generate_mipmap) {
*params = (GLint) obj->GenerateMipmap;
- return;
+ }
+ else {
+ error = GL_TRUE;
}
break;
case GL_TEXTURE_COMPARE_MODE_ARB:
if (ctx->Extensions.ARB_shadow) {
*params = (GLint) obj->CompareMode;
- return;
+ }
+ else {
+ error = GL_TRUE;
}
break;
case GL_TEXTURE_COMPARE_FUNC_ARB:
if (ctx->Extensions.ARB_shadow) {
*params = (GLint) obj->CompareFunc;
- return;
+ }
+ else {
+ error = GL_TRUE;
}
break;
case GL_DEPTH_TEXTURE_MODE_ARB:
if (ctx->Extensions.ARB_depth_texture) {
*params = (GLint) obj->DepthMode;
- return;
+ }
+ else {
+ error = GL_TRUE;
}
break;
case GL_TEXTURE_LOD_BIAS:
if (ctx->Extensions.EXT_texture_lod_bias) {
*params = (GLint) obj->LodBias;
- return;
+ }
+ else {
+ error = GL_TRUE;
}
break;
#ifdef FEATURE_OES_draw_texture
@@ -1057,9 +1251,35 @@ _mesa_GetTexParameteriv( GLenum target, GLenum pname, GLint *params )
params[3] = obj->CropRect[3];
break;
#endif
+ case GL_TEXTURE_SWIZZLE_R_EXT:
+ case GL_TEXTURE_SWIZZLE_G_EXT:
+ case GL_TEXTURE_SWIZZLE_B_EXT:
+ case GL_TEXTURE_SWIZZLE_A_EXT:
+ if (ctx->Extensions.EXT_texture_swizzle) {
+ GLuint comp = pname - GL_TEXTURE_SWIZZLE_R_EXT;
+ *params = obj->Swizzle[comp];
+ }
+ else {
+ error = GL_TRUE;
+ }
+ break;
+
+ case GL_TEXTURE_SWIZZLE_RGBA_EXT:
+ if (ctx->Extensions.EXT_texture_swizzle) {
+ COPY_4V(params, obj->Swizzle);
+ }
+ else {
+ error = GL_TRUE;
+ }
+ break;
+
default:
; /* silence warnings */
}
- /* If we get here, pname was an unrecognized enum */
- _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexParameteriv(pname=0x%x)", pname);
+
+ if (error)
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexParameteriv(pname=0x%x)",
+ pname);
+
+ _mesa_unlock_texture(ctx, obj);
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-29 08:13:33 +0000