#include "glheader.h"
#include "mfeatures.h"
+#include "bufferobj.h"
#include "colormac.h"
#include "colortab.h"
#include "context.h"
#include "enums.h"
#include "macros.h"
-#include "texcompress.h"
#include "texobj.h"
#include "teximage.h"
#include "texstate.h"
-#include "texenvprogram.h"
#include "mtypes.h"
* Used by glXCopyContext to copy texture state from one context to another.
*/
void
-_mesa_copy_texture_state( const GLcontext *src, GLcontext *dst )
+_mesa_copy_texture_state( const struct gl_context *src, struct gl_context *dst )
{
GLuint u, tex;
dst->Texture._GenFlags = src->Texture._GenFlags;
dst->Texture._TexGenEnabled = src->Texture._TexGenEnabled;
dst->Texture._TexMatEnabled = src->Texture._TexMatEnabled;
- dst->Texture.SharedPalette = src->Texture.SharedPalette;
/* per-unit state */
- for (u = 0; u < src->Const.MaxTextureImageUnits; u++) {
+ for (u = 0; u < src->Const.MaxCombinedTextureImageUnits; u++) {
dst->Texture.Unit[u].Enabled = src->Texture.Unit[u].Enabled;
dst->Texture.Unit[u].EnvMode = src->Texture.Unit[u].EnvMode;
COPY_4V(dst->Texture.Unit[u].EnvColor, src->Texture.Unit[u].EnvColor);
dst->Texture.Unit[u].BumpTarget = src->Texture.Unit[u].BumpTarget;
COPY_4V(dst->Texture.Unit[u].RotMatrix, src->Texture.Unit[u].RotMatrix);
+ /*
+ * XXX strictly speaking, we should compare texture names/ids and
+ * bind textures in the dest context according to id. For now, only
+ * copy bindings if the contexts share the same pool of textures to
+ * avoid refcounting bugs.
+ */
+ if (dst->Shared == src->Shared) {
+ /* copy texture object bindings, not contents of texture objects */
+ _mesa_lock_context_textures(dst);
- /* copy texture object bindings, not contents of texture objects */
- _mesa_lock_context_textures(dst);
-
- for (tex = 0; tex < NUM_TEXTURE_TARGETS; tex++) {
- _mesa_reference_texobj(&dst->Texture.Unit[u].CurrentTex[tex],
- src->Texture.Unit[u].CurrentTex[tex]);
+ for (tex = 0; tex < NUM_TEXTURE_TARGETS; tex++) {
+ _mesa_reference_texobj(&dst->Texture.Unit[u].CurrentTex[tex],
+ src->Texture.Unit[u].CurrentTex[tex]);
+ }
+ _mesa_unlock_context_textures(dst);
}
-
- _mesa_unlock_context_textures(dst);
}
}
* For debugging
*/
void
-_mesa_print_texunit_state( GLcontext *ctx, GLuint unit )
+_mesa_print_texunit_state( struct gl_context *ctx, GLuint unit )
{
const struct gl_texture_unit *texUnit = ctx->Texture.Unit + unit;
- _mesa_printf("Texture Unit %d\n", unit);
- _mesa_printf(" GL_TEXTURE_ENV_MODE = %s\n", _mesa_lookup_enum_by_nr(texUnit->EnvMode));
- _mesa_printf(" GL_COMBINE_RGB = %s\n", _mesa_lookup_enum_by_nr(texUnit->Combine.ModeRGB));
- _mesa_printf(" GL_COMBINE_ALPHA = %s\n", _mesa_lookup_enum_by_nr(texUnit->Combine.ModeA));
- _mesa_printf(" GL_SOURCE0_RGB = %s\n", _mesa_lookup_enum_by_nr(texUnit->Combine.SourceRGB[0]));
- _mesa_printf(" GL_SOURCE1_RGB = %s\n", _mesa_lookup_enum_by_nr(texUnit->Combine.SourceRGB[1]));
- _mesa_printf(" GL_SOURCE2_RGB = %s\n", _mesa_lookup_enum_by_nr(texUnit->Combine.SourceRGB[2]));
- _mesa_printf(" GL_SOURCE0_ALPHA = %s\n", _mesa_lookup_enum_by_nr(texUnit->Combine.SourceA[0]));
- _mesa_printf(" GL_SOURCE1_ALPHA = %s\n", _mesa_lookup_enum_by_nr(texUnit->Combine.SourceA[1]));
- _mesa_printf(" GL_SOURCE2_ALPHA = %s\n", _mesa_lookup_enum_by_nr(texUnit->Combine.SourceA[2]));
- _mesa_printf(" GL_OPERAND0_RGB = %s\n", _mesa_lookup_enum_by_nr(texUnit->Combine.OperandRGB[0]));
- _mesa_printf(" GL_OPERAND1_RGB = %s\n", _mesa_lookup_enum_by_nr(texUnit->Combine.OperandRGB[1]));
- _mesa_printf(" GL_OPERAND2_RGB = %s\n", _mesa_lookup_enum_by_nr(texUnit->Combine.OperandRGB[2]));
- _mesa_printf(" GL_OPERAND0_ALPHA = %s\n", _mesa_lookup_enum_by_nr(texUnit->Combine.OperandA[0]));
- _mesa_printf(" GL_OPERAND1_ALPHA = %s\n", _mesa_lookup_enum_by_nr(texUnit->Combine.OperandA[1]));
- _mesa_printf(" GL_OPERAND2_ALPHA = %s\n", _mesa_lookup_enum_by_nr(texUnit->Combine.OperandA[2]));
- _mesa_printf(" GL_RGB_SCALE = %d\n", 1 << texUnit->Combine.ScaleShiftRGB);
- _mesa_printf(" GL_ALPHA_SCALE = %d\n", 1 << texUnit->Combine.ScaleShiftA);
- _mesa_printf(" GL_TEXTURE_ENV_COLOR = (%f, %f, %f, %f)\n", texUnit->EnvColor[0], texUnit->EnvColor[1], texUnit->EnvColor[2], texUnit->EnvColor[3]);
+ printf("Texture Unit %d\n", unit);
+ printf(" GL_TEXTURE_ENV_MODE = %s\n", _mesa_lookup_enum_by_nr(texUnit->EnvMode));
+ printf(" GL_COMBINE_RGB = %s\n", _mesa_lookup_enum_by_nr(texUnit->Combine.ModeRGB));
+ printf(" GL_COMBINE_ALPHA = %s\n", _mesa_lookup_enum_by_nr(texUnit->Combine.ModeA));
+ printf(" GL_SOURCE0_RGB = %s\n", _mesa_lookup_enum_by_nr(texUnit->Combine.SourceRGB[0]));
+ printf(" GL_SOURCE1_RGB = %s\n", _mesa_lookup_enum_by_nr(texUnit->Combine.SourceRGB[1]));
+ printf(" GL_SOURCE2_RGB = %s\n", _mesa_lookup_enum_by_nr(texUnit->Combine.SourceRGB[2]));
+ printf(" GL_SOURCE0_ALPHA = %s\n", _mesa_lookup_enum_by_nr(texUnit->Combine.SourceA[0]));
+ printf(" GL_SOURCE1_ALPHA = %s\n", _mesa_lookup_enum_by_nr(texUnit->Combine.SourceA[1]));
+ printf(" GL_SOURCE2_ALPHA = %s\n", _mesa_lookup_enum_by_nr(texUnit->Combine.SourceA[2]));
+ printf(" GL_OPERAND0_RGB = %s\n", _mesa_lookup_enum_by_nr(texUnit->Combine.OperandRGB[0]));
+ printf(" GL_OPERAND1_RGB = %s\n", _mesa_lookup_enum_by_nr(texUnit->Combine.OperandRGB[1]));
+ printf(" GL_OPERAND2_RGB = %s\n", _mesa_lookup_enum_by_nr(texUnit->Combine.OperandRGB[2]));
+ printf(" GL_OPERAND0_ALPHA = %s\n", _mesa_lookup_enum_by_nr(texUnit->Combine.OperandA[0]));
+ printf(" GL_OPERAND1_ALPHA = %s\n", _mesa_lookup_enum_by_nr(texUnit->Combine.OperandA[1]));
+ printf(" GL_OPERAND2_ALPHA = %s\n", _mesa_lookup_enum_by_nr(texUnit->Combine.OperandA[2]));
+ printf(" GL_RGB_SCALE = %d\n", 1 << texUnit->Combine.ScaleShiftRGB);
+ printf(" GL_ALPHA_SCALE = %d\n", 1 << texUnit->Combine.ScaleShiftA);
+ printf(" GL_TEXTURE_ENV_COLOR = (%f, %f, %f, %f)\n", texUnit->EnvColor[0], texUnit->EnvColor[1], texUnit->EnvColor[2], texUnit->EnvColor[3]);
}
break;
case GL_LUMINANCE:
+ case GL_RED:
+ case GL_RG:
case GL_RGB:
case GL_YCBCR_MESA:
case GL_DUDV_ATI:
case GL_INTENSITY:
state->SourceRGB[0] = GL_PREVIOUS;
break;
+ case GL_RED:
+ case GL_RG:
case GL_RGB:
case GL_YCBCR_MESA:
case GL_DUDV_ATI:
state->OperandA[2] = GL_SRC_ALPHA;
/* FALLTHROUGH */
case GL_LUMINANCE:
+ case GL_RED:
+ case GL_RG:
case GL_RGB:
case GL_LUMINANCE_ALPHA:
case GL_RGBA:
void GLAPIENTRY
_mesa_ActiveTextureARB(GLenum texture)
{
- GET_CURRENT_CONTEXT(ctx);
const GLuint texUnit = texture - GL_TEXTURE0;
+ GLuint k;
+ GET_CURRENT_CONTEXT(ctx);
+
+ /* See OpenGL spec for glActiveTexture: */
+ k = MAX2(ctx->Const.MaxCombinedTextureImageUnits,
+ ctx->Const.MaxTextureCoordUnits);
+
+ ASSERT(k <= Elements(ctx->Texture.Unit));
+
ASSERT_OUTSIDE_BEGIN_END(ctx);
if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE))
_mesa_debug(ctx, "glActiveTexture %s\n",
_mesa_lookup_enum_by_nr(texture));
- if (texUnit >= ctx->Const.MaxTextureImageUnits) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glActiveTexture(texture)");
+ if (texUnit >= k) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glActiveTexture(texture=%s)",
+ _mesa_lookup_enum_by_nr(texture));
return;
}
/* update current stack pointer */
ctx->CurrentStack = &ctx->TextureMatrixStack[texUnit];
}
-
- if (ctx->Driver.ActiveTexture) {
- (*ctx->Driver.ActiveTexture)( ctx, (GLuint) texUnit );
- }
}
GLuint texUnit = texture - GL_TEXTURE0;
ASSERT_OUTSIDE_BEGIN_END(ctx);
+ if (MESA_VERBOSE & (VERBOSE_API | VERBOSE_TEXTURE))
+ _mesa_debug(ctx, "glClientActiveTexture %s\n",
+ _mesa_lookup_enum_by_nr(texture));
+
if (texUnit >= ctx->Const.MaxTextureCoordUnits) {
_mesa_error(ctx, GL_INVALID_ENUM, "glClientActiveTexture(texture)");
return;
}
+ if (ctx->Array.ActiveTexture == texUnit)
+ return;
+
FLUSH_VERTICES(ctx, _NEW_ARRAY);
ctx->Array.ActiveTexture = texUnit;
}
* \param ctx GL context.
*/
static void
-update_texture_matrices( GLcontext *ctx )
+update_texture_matrices( struct gl_context *ctx )
{
GLuint u;
ctx->Texture._TexMatEnabled = 0x0;
for (u = 0; u < ctx->Const.MaxTextureCoordUnits; u++) {
+ ASSERT(u < Elements(ctx->TextureMatrixStack));
if (_math_matrix_is_dirty(ctx->TextureMatrixStack[u].Top)) {
_math_matrix_analyse( ctx->TextureMatrixStack[u].Top );
if (ctx->Texture.Unit[u]._ReallyEnabled &&
ctx->TextureMatrixStack[u].Top->type != MATRIX_IDENTITY)
ctx->Texture._TexMatEnabled |= ENABLE_TEXMAT(u);
-
- if (ctx->Driver.TextureMatrix)
- ctx->Driver.TextureMatrix( ctx, u, ctx->TextureMatrixStack[u].Top);
}
}
}
* Examine texture unit's combine/env state to update derived state.
*/
static void
-update_tex_combine(GLcontext *ctx, struct gl_texture_unit *texUnit)
+update_tex_combine(struct gl_context *ctx, struct gl_texture_unit *texUnit)
{
struct gl_tex_env_combine_state *combine;
else {
const struct gl_texture_object *texObj = texUnit->_Current;
GLenum format = texObj->Image[0][texObj->BaseLevel]->_BaseFormat;
- if (format == GL_COLOR_INDEX) {
- format = GL_RGBA; /* a bit of a hack */
- }
- else if (format == GL_DEPTH_COMPONENT ||
- format == GL_DEPTH_STENCIL_EXT) {
- format = texObj->DepthMode;
+
+ if (format == GL_DEPTH_COMPONENT || format == GL_DEPTH_STENCIL_EXT) {
+ format = texObj->Sampler.DepthMode;
}
calculate_derived_texenv(&texUnit->_EnvMode, texUnit->EnvMode, format);
texUnit->_CurrentCombine = & texUnit->_EnvMode;
* \param ctx GL context.
*/
static void
-update_texture_state( GLcontext *ctx )
+update_texture_state( struct gl_context *ctx )
{
GLuint unit;
struct gl_fragment_program *fprog = NULL;
struct gl_vertex_program *vprog = NULL;
GLbitfield enabledFragUnits = 0x0;
- if (ctx->Shader.CurrentProgram &&
- ctx->Shader.CurrentProgram->LinkStatus) {
- fprog = ctx->Shader.CurrentProgram->FragmentProgram;
- vprog = ctx->Shader.CurrentProgram->VertexProgram;
+ if (ctx->Shader.CurrentVertexProgram &&
+ ctx->Shader.CurrentVertexProgram->LinkStatus) {
+ vprog = ctx->Shader.CurrentVertexProgram->VertexProgram;
+ } else if (ctx->VertexProgram._Enabled) {
+ /* XXX enable this if/when non-shader vertex programs get
+ * texture fetches:
+ vprog = ctx->VertexProgram.Current;
+ */
}
- else {
- if (ctx->FragmentProgram._Enabled) {
- fprog = ctx->FragmentProgram.Current;
- }
- if (ctx->VertexProgram._Enabled) {
- /* XXX enable this if/when non-shader vertex programs get
- * texture fetches:
- vprog = ctx->VertexProgram.Current;
- */
- }
+
+ if (ctx->Shader.CurrentFragmentProgram &&
+ ctx->Shader.CurrentFragmentProgram->LinkStatus) {
+ fprog = ctx->Shader.CurrentFragmentProgram->FragmentProgram;
+ }
+ else if (ctx->FragmentProgram._Enabled) {
+ fprog = ctx->FragmentProgram.Current;
}
+ /* FINISHME: Geometry shader texture accesses should also be considered
+ * FINISHME: here.
+ */
+
/* TODO: only set this if there are actual changes */
ctx->NewState |= _NEW_TEXTURE;
/*
* Update texture unit state.
*/
- for (unit = 0; unit < ctx->Const.MaxTextureImageUnits; unit++) {
+ for (unit = 0; unit < ctx->Const.MaxCombinedTextureImageUnits; unit++) {
struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit];
GLbitfield enabledVertTargets = 0x0;
GLbitfield enabledFragTargets = 0x0;
/* Get the bitmask of texture target enables.
* enableBits will be a mask of the TEXTURE_*_BIT flags indicating
* which texture targets are enabled (fixed function) or referenced
- * by a fragment shader/program. When multiple flags are set, we'll
+ * by a fragment program/program. When multiple flags are set, we'll
* settle on the one with highest priority (see below).
*/
if (vprog) {
ctx->Texture._GenFlags |= texUnit->_GenFlags;
}
+ ASSERT(unit < Elements(ctx->TextureMatrixStack));
if (ctx->TextureMatrixStack[unit].Top->type != MATRIX_IDENTITY)
ctx->Texture._TexMatEnabled |= ENABLE_TEXMAT(unit);
}
* Update texture-related derived state.
*/
void
-_mesa_update_texture( GLcontext *ctx, GLuint new_state )
+_mesa_update_texture( struct gl_context *ctx, GLuint new_state )
{
if (new_state & _NEW_TEXTURE_MATRIX)
update_texture_matrices( ctx );
* GL_FALSE.
*/
static GLboolean
-alloc_proxy_textures( GLcontext *ctx )
+alloc_proxy_textures( struct gl_context *ctx )
{
static const GLenum targets[] = {
GL_TEXTURE_1D,
GL_TEXTURE_CUBE_MAP_ARB,
GL_TEXTURE_RECTANGLE_NV,
GL_TEXTURE_1D_ARRAY_EXT,
- GL_TEXTURE_2D_ARRAY_EXT
+ GL_TEXTURE_2D_ARRAY_EXT,
+ GL_TEXTURE_BUFFER
};
GLint tgt;
* \param unit texture unit number to be initialized.
*/
static void
-init_texture_unit( GLcontext *ctx, GLuint unit )
+init_texture_unit( struct gl_context *ctx, GLuint unit )
{
struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit];
GLuint tex;
* Initialize texture state for the given context.
*/
GLboolean
-_mesa_init_texture(GLcontext *ctx)
+_mesa_init_texture(struct gl_context *ctx)
{
GLuint u;
/* Texture group */
ctx->Texture.CurrentUnit = 0; /* multitexture */
ctx->Texture._EnabledUnits = 0x0;
- ctx->Texture.SharedPalette = GL_FALSE;
- _mesa_init_colortable(&ctx->Texture.Palette);
- for (u = 0; u < MAX_TEXTURE_UNITS; u++)
+ for (u = 0; u < Elements(ctx->Texture.Unit); u++)
init_texture_unit(ctx, u);
/* After we're done initializing the context's texture state the default
- * texture objects' refcounts should be at least MAX_TEXTURE_UNITS + 1.
+ * texture objects' refcounts should be at least
+ * MAX_COMBINED_TEXTURE_IMAGE_UNITS + 1.
*/
assert(ctx->Shared->DefaultTex[TEXTURE_1D_INDEX]->RefCount
- >= MAX_TEXTURE_UNITS + 1);
+ >= MAX_COMBINED_TEXTURE_IMAGE_UNITS + 1);
/* Allocate proxy textures */
if (!alloc_proxy_textures( ctx ))
return GL_FALSE;
+ /* GL_ARB_texture_buffer_object */
+ _mesa_reference_buffer_object(ctx, &ctx->Texture.BufferObject,
+ ctx->Shared->NullBufferObj);
+
return GL_TRUE;
}
* Free dynamically-allocted texture data attached to the given context.
*/
void
-_mesa_free_texture_data(GLcontext *ctx)
+_mesa_free_texture_data(struct gl_context *ctx)
{
GLuint u, tgt;
/* unreference current textures */
- for (u = 0; u < MAX_TEXTURE_IMAGE_UNITS; u++) {
+ for (u = 0; u < Elements(ctx->Texture.Unit); u++) {
/* The _Current texture could account for another reference */
_mesa_reference_texobj(&ctx->Texture.Unit[u]._Current, NULL);
for (tgt = 0; tgt < NUM_TEXTURE_TARGETS; tgt++)
ctx->Driver.DeleteTexture(ctx, ctx->Texture.ProxyTex[tgt]);
- for (u = 0; u < MAX_TEXTURE_IMAGE_UNITS; u++)
- _mesa_free_colortable_data(&ctx->Texture.Unit[u].ColorTable);
+ /* GL_ARB_texture_buffer_object */
+ _mesa_reference_buffer_object(ctx, &ctx->Texture.BufferObject, NULL);
+
+#if FEATURE_sampler_objects
+ for (u = 0; u < Elements(ctx->Texture.Unit); u++) {
+ _mesa_reference_sampler_object(ctx, &ctx->Texture.Unit[u].Sampler, NULL);
+ }
+#endif
}
* shared state.
*/
void
-_mesa_update_default_objects_texture(GLcontext *ctx)
+_mesa_update_default_objects_texture(struct gl_context *ctx)
{
GLuint u, tex;
- for (u = 0; u < MAX_TEXTURE_UNITS; u++) {
+ for (u = 0; u < Elements(ctx->Texture.Unit); u++) {
struct gl_texture_unit *texUnit = &ctx->Texture.Unit[u];
for (tex = 0; tex < NUM_TEXTURE_TARGETS; tex++) {
_mesa_reference_texobj(&texUnit->CurrentTex[tex],
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