*/
-#include "glheader.h"
-#if FEATURE_colortable
+#include "mfeatures.h"
#include "colortab.h"
-#endif
#include "context.h"
#include "enums.h"
#include "fbobject.h"
#include "texstate.h"
#include "texobj.h"
#include "mtypes.h"
+#include "shader/prog_instruction.h"
+
/**********************************************************************/
obj->BaseLevel = 0;
obj->MaxLevel = 1000;
obj->MaxAnisotropy = 1.0;
- obj->CompareFlag = GL_FALSE; /* SGIX_shadow */
- obj->CompareOperator = GL_TEXTURE_LEQUAL_R_SGIX; /* SGIX_shadow */
obj->CompareMode = GL_NONE; /* ARB_shadow */
obj->CompareFunc = GL_LEQUAL; /* ARB_shadow */
+ obj->CompareFailValue = 0.0F; /* ARB_shadow_ambient */
obj->DepthMode = GL_LUMINANCE; /* ARB_depth_texture */
- obj->ShadowAmbient = 0.0F; /* ARB/SGIX_shadow_ambient */
+ obj->Swizzle[0] = GL_RED;
+ obj->Swizzle[1] = GL_GREEN;
+ obj->Swizzle[2] = GL_BLUE;
+ obj->Swizzle[3] = GL_ALPHA;
+ obj->_Swizzle = SWIZZLE_NOOP;
}
* Called via ctx->Driver.DeleteTexture() if not overriden by a driver.
*
* \param shared the shared GL state to which the object belongs.
- * \param texOjb the texture object to delete.
+ * \param texObj the texture object to delete.
*/
void
_mesa_delete_texture_object( GLcontext *ctx, struct gl_texture_object *texObj )
*/
texObj->Target = 0x99;
-#if FEATURE_colortable
_mesa_free_colortable_data(&texObj->Palette);
-#endif
/* free the texture images */
for (face = 0; face < 6; face++) {
dest->BaseLevel = src->BaseLevel;
dest->MaxLevel = src->MaxLevel;
dest->MaxAnisotropy = src->MaxAnisotropy;
- dest->CompareFlag = src->CompareFlag;
- dest->CompareOperator = src->CompareOperator;
- dest->ShadowAmbient = src->ShadowAmbient;
dest->CompareMode = src->CompareMode;
dest->CompareFunc = src->CompareFunc;
+ dest->CompareFailValue = src->CompareFailValue;
dest->DepthMode = src->DepthMode;
dest->_MaxLevel = src->_MaxLevel;
dest->_MaxLambda = src->_MaxLambda;
dest->GenerateMipmap = src->GenerateMipmap;
dest->Palette = src->Palette;
dest->_Complete = src->_Complete;
+ COPY_4V(dest->Swizzle, src->Swizzle);
+ dest->_Swizzle = src->_Swizzle;
+}
+
+
+/**
+ * Clear all texture images of the given texture object.
+ *
+ * \param ctx GL context.
+ * \param t texture object.
+ *
+ * \sa _mesa_clear_texture_image().
+ */
+void
+_mesa_clear_texture_object(GLcontext *ctx, struct gl_texture_object *texObj)
+{
+ GLuint i, j;
+
+ if (texObj->Target == 0)
+ return;
+
+ for (i = 0; i < MAX_FACES; i++) {
+ for (j = 0; j < MAX_TEXTURE_LEVELS; j++) {
+ struct gl_texture_image *texImage = texObj->Image[i][j];
+ if (texImage)
+ _mesa_clear_texture_image(ctx, texImage);
+ }
+ }
}
_mesa_problem(NULL, "invalid reference to a deleted texture object");
return GL_FALSE;
default:
- _mesa_problem(NULL, "invalid texture object Target value");
+ _mesa_problem(NULL, "invalid texture object Target 0x%x, Id = %u",
+ tex->Target, tex->Name);
return GL_FALSE;
}
}
GLboolean deleteFlag = GL_FALSE;
struct gl_texture_object *oldTex = *ptr;
- assert(valid_texture_object(oldTex));
+ ASSERT(valid_texture_object(oldTex));
_glthread_LOCK_MUTEX(oldTex->Mutex);
ASSERT(oldTex->RefCount > 0);
if (tex) {
/* reference new texture */
- assert(valid_texture_object(tex));
+ ASSERT(valid_texture_object(tex));
_glthread_LOCK_MUTEX(tex->Mutex);
if (tex->RefCount == 0) {
/* this texture's being deleted (look just above) */
t->_Complete = GL_TRUE; /* be optimistic */
+ /* Detect cases where the application set the base level to an invalid
+ * value.
+ */
+ if ((baseLevel < 0) || (baseLevel > MAX_TEXTURE_LEVELS)) {
+ char s[100];
+ _mesa_sprintf(s, "base level = %d is invalid", baseLevel);
+ incomplete(t, s);
+ t->_Complete = GL_FALSE;
+ return;
+ }
+
/* Always need the base level image */
if (!t->Image[0][baseLevel]) {
char s[100];
- _mesa_sprintf(s, "obj %p (%d) Image[baseLevel=%d] == NULL",
- (void *) t, t->Name, baseLevel);
+ _mesa_sprintf(s, "Image[baseLevel=%d] == NULL", baseLevel);
incomplete(t, s);
t->_Complete = GL_FALSE;
return;
}
}
+
+/**
+ * Mark a texture object dirty. It forces the object to be incomplete
+ * and optionally forces the context to re-validate its state.
+ *
+ * \param ctx GL context.
+ * \param texObj texture object.
+ * \param invalidate_state also invalidate context state.
+ */
+void
+_mesa_dirty_texobj(GLcontext *ctx, struct gl_texture_object *texObj,
+ GLboolean invalidate_state)
+{
+ texObj->_Complete = GL_FALSE;
+ if (invalidate_state)
+ ctx->NewState |= _NEW_TEXTURE;
+}
+
+
+/**
+ * Return pointer to a default/fallback texture.
+ * The texture is a 2D 8x8 RGBA texture with all texels = (0,0,0,1).
+ * That's the value a sampler should get when sampling from an
+ * incomplete texture.
+ */
+struct gl_texture_object *
+_mesa_get_fallback_texture(GLcontext *ctx)
+{
+ if (!ctx->Shared->FallbackTex) {
+ /* create fallback texture now */
+ static GLubyte texels[8 * 8][4];
+ struct gl_texture_object *texObj;
+ struct gl_texture_image *texImage;
+ GLuint i;
+
+ for (i = 0; i < 8 * 8; i++) {
+ texels[i][0] =
+ texels[i][1] =
+ texels[i][2] = 0x0;
+ texels[i][3] = 0xff;
+ }
+
+ /* create texture object */
+ texObj = ctx->Driver.NewTextureObject(ctx, 0, GL_TEXTURE_2D);
+ assert(texObj->RefCount == 1);
+ texObj->MinFilter = GL_NEAREST;
+ texObj->MagFilter = GL_NEAREST;
+
+ /* create level[0] texture image */
+ texImage = _mesa_get_tex_image(ctx, texObj, GL_TEXTURE_2D, 0);
+
+ /* init the image fields */
+ _mesa_init_teximage_fields(ctx, GL_TEXTURE_2D, texImage,
+ 8, 8, 1, 0, GL_RGBA);
+
+ /* set image data */
+ ctx->Driver.TexImage2D(ctx, GL_TEXTURE_2D, 0, GL_RGBA,
+ 8, 8, 0,
+ GL_RGBA, GL_UNSIGNED_BYTE, texels,
+ &ctx->DefaultPacking, texObj, texImage);
+
+ _mesa_test_texobj_completeness(ctx, texObj);
+ assert(texObj->_Complete);
+
+ ctx->Shared->FallbackTex = texObj;
+ }
+ return ctx->Shared->FallbackTex;
+}
+
+
/*@}*/
static void
unbind_texobj_from_texunits(GLcontext *ctx, struct gl_texture_object *texObj)
{
- GLuint u;
+ GLuint u, tex;
for (u = 0; u < MAX_TEXTURE_IMAGE_UNITS; u++) {
struct gl_texture_unit *unit = &ctx->Texture.Unit[u];
- if (texObj == unit->Current1D) {
- _mesa_reference_texobj(&unit->Current1D, ctx->Shared->Default1D);
- }
- else if (texObj == unit->Current2D) {
- _mesa_reference_texobj(&unit->Current2D, ctx->Shared->Default2D);
- }
- else if (texObj == unit->Current3D) {
- _mesa_reference_texobj(&unit->Current3D, ctx->Shared->Default3D);
- }
- else if (texObj == unit->CurrentCubeMap) {
- _mesa_reference_texobj(&unit->CurrentCubeMap, ctx->Shared->DefaultCubeMap);
- }
- else if (texObj == unit->CurrentRect) {
- _mesa_reference_texobj(&unit->CurrentRect, ctx->Shared->DefaultRect);
- }
- else if (texObj == unit->Current1DArray) {
- _mesa_reference_texobj(&unit->Current1DArray, ctx->Shared->Default1DArray);
- }
- else if (texObj == unit->Current2DArray) {
- _mesa_reference_texobj(&unit->Current2DArray, ctx->Shared->Default2DArray);
+ for (tex = 0; tex < NUM_TEXTURE_TARGETS; tex++) {
+ if (texObj == unit->CurrentTex[tex]) {
+ _mesa_reference_texobj(&unit->CurrentTex[tex],
+ ctx->Shared->DefaultTex[TEXTURE_1D_INDEX]);
+ ASSERT(unit->CurrentTex[tex]);
+ break;
+ }
}
}
}
/**
+ * Convert a GL texture target enum such as GL_TEXTURE_2D or GL_TEXTURE_3D
+ * into the corresponding Mesa texture target index.
+ * Return -1 if target is invalid.
+ */
+static GLint
+target_enum_to_index(GLenum target)
+{
+ switch (target) {
+ case GL_TEXTURE_1D:
+ return TEXTURE_1D_INDEX;
+ case GL_TEXTURE_2D:
+ return TEXTURE_2D_INDEX;
+ case GL_TEXTURE_3D:
+ return TEXTURE_3D_INDEX;
+ case GL_TEXTURE_CUBE_MAP_ARB:
+ return TEXTURE_CUBE_INDEX;
+ case GL_TEXTURE_RECTANGLE_NV:
+ return TEXTURE_RECT_INDEX;
+ case GL_TEXTURE_1D_ARRAY_EXT:
+ return TEXTURE_1D_ARRAY_INDEX;
+ case GL_TEXTURE_2D_ARRAY_EXT:
+ return TEXTURE_2D_ARRAY_INDEX;
+ default:
+ return -1;
+ }
+}
+
+
+/**
* Bind a named texture to a texturing target.
*
* \param target texture target.
const GLuint unit = ctx->Texture.CurrentUnit;
struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit];
struct gl_texture_object *newTexObj = NULL, *defaultTexObj = NULL;
+ GLint targetIndex;
+ GLboolean early_out = GL_FALSE;
ASSERT_OUTSIDE_BEGIN_END(ctx);
if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE))
_mesa_debug(ctx, "glBindTexture %s %d\n",
_mesa_lookup_enum_by_nr(target), (GLint) texName);
- switch (target) {
- case GL_TEXTURE_1D:
- defaultTexObj = ctx->Shared->Default1D;
- break;
- case GL_TEXTURE_2D:
- defaultTexObj = ctx->Shared->Default2D;
- break;
- case GL_TEXTURE_3D:
- defaultTexObj = ctx->Shared->Default3D;
- break;
- case GL_TEXTURE_CUBE_MAP_ARB:
- defaultTexObj = ctx->Shared->DefaultCubeMap;
- break;
- case GL_TEXTURE_RECTANGLE_NV:
- defaultTexObj = ctx->Shared->DefaultRect;
- break;
- case GL_TEXTURE_1D_ARRAY_EXT:
- defaultTexObj = ctx->Shared->Default1DArray;
- break;
- case GL_TEXTURE_2D_ARRAY_EXT:
- defaultTexObj = ctx->Shared->Default2DArray;
- break;
- default:
+ targetIndex = target_enum_to_index(target);
+ if (targetIndex < 0) {
_mesa_error(ctx, GL_INVALID_ENUM, "glBindTexture(target)");
return;
}
+ assert(targetIndex < NUM_TEXTURE_TARGETS);
+ defaultTexObj = ctx->Shared->DefaultTex[targetIndex];
/*
* Get pointer to new texture object (newTexObj)
assert(valid_texture_object(newTexObj));
+ _glthread_LOCK_MUTEX(ctx->Shared->Mutex);
+ if ((ctx->Shared->RefCount == 1)
+ && (newTexObj == texUnit->CurrentTex[targetIndex])) {
+ early_out = GL_TRUE;
+ }
+ _glthread_UNLOCK_MUTEX(ctx->Shared->Mutex);
+
+ if (early_out) {
+ return;
+ }
+
/* flush before changing binding */
FLUSH_VERTICES(ctx, _NEW_TEXTURE);
* texture object will be decremented. It'll be deleted if the
* count hits zero.
*/
- switch (target) {
- case GL_TEXTURE_1D:
- _mesa_reference_texobj(&texUnit->Current1D, newTexObj);
- break;
- case GL_TEXTURE_2D:
- _mesa_reference_texobj(&texUnit->Current2D, newTexObj);
- break;
- case GL_TEXTURE_3D:
- _mesa_reference_texobj(&texUnit->Current3D, newTexObj);
- break;
- case GL_TEXTURE_CUBE_MAP_ARB:
- _mesa_reference_texobj(&texUnit->CurrentCubeMap, newTexObj);
- break;
- case GL_TEXTURE_RECTANGLE_NV:
- _mesa_reference_texobj(&texUnit->CurrentRect, newTexObj);
- break;
- case GL_TEXTURE_1D_ARRAY_EXT:
- texUnit->Current1DArray = newTexObj;
- break;
- case GL_TEXTURE_2D_ARRAY_EXT:
- texUnit->Current2DArray = newTexObj;
- break;
- default:
- /* Bad target should be caught above */
- _mesa_problem(ctx, "bad target in BindTexture");
- return;
- }
+ _mesa_reference_texobj(&texUnit->CurrentTex[targetIndex], newTexObj);
+ ASSERT(texUnit->CurrentTex[targetIndex]);
/* Pass BindTexture call to device driver */
if (ctx->Driver.BindTexture)
/**
- * Simplest implementation of texture locking: Grab the a new mutex in
- * the shared context. Examine the shared context state timestamp and
- * if there has been a change, set the appropriate bits in
- * ctx->NewState.
+ * Simplest implementation of texture locking: grab the shared tex
+ * mutex. Examine the shared context state timestamp and if there has
+ * been a change, set the appropriate bits in ctx->NewState.
*
* This is used to deal with synchronizing things when a texture object
* is used/modified by different contexts (or threads) which are sharing
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