void GLAPIENTRY
_mesa_VDPAUMapSurfacesNV(GLsizei numSurfaces, const GLintptr *surfaces)
{
GET_CURRENT_CONTEXT(ctx);
int i;
if (!ctx->vdpDevice || !ctx->vdpGetProcAddress || !ctx->vdpSurfaces) {
_mesa_error(ctx, GL_INVALID_OPERATION, "VDPAUUnmapSurfacesNV");
return;
}
for (i = 0; i < numSurfaces; ++i) {
struct vdp_surface *surf = (struct vdp_surface *)surfaces[i];
if (!_mesa_set_search(ctx->vdpSurfaces, surf)) {
_mesa_error(ctx, GL_INVALID_VALUE, "VDPAUSurfaceAccessNV");
return;
}
if (surf->state == GL_SURFACE_MAPPED_NV) {
_mesa_error(ctx, GL_INVALID_OPERATION, "VDPAUSurfaceAccessNV");
return;
}
}
for (i = 0; i < numSurfaces; ++i) {
struct vdp_surface *surf = (struct vdp_surface *)surfaces[i];
unsigned numTextureNames = surf->output ? 1 : 4;
unsigned j;
for (j = 0; j < numTextureNames; ++j) {
struct gl_texture_object *tex = surf->textures[j];
struct gl_texture_image *image;
_mesa_lock_texture(ctx, tex);
image = _mesa_get_tex_image(ctx, tex, surf->target, 0);
if (!image) {
_mesa_error(ctx, GL_OUT_OF_MEMORY, "VDPAUMapSurfacesNV");
_mesa_unlock_texture(ctx, tex);
return;
}
ctx->Driver.FreeTextureImageBuffer(ctx, image);
ctx->Driver.VDPAUMapSurface(ctx, surf->target, surf->access,
surf->output, tex, image,
surf->vdpSurface, j);
_mesa_unlock_texture(ctx, tex);
}
surf->state = GL_SURFACE_MAPPED_NV;
}
}
void GLAPIENTRY
_mesa_GenerateMipmapEXT(GLenum target)
{
struct gl_texture_unit *texUnit;
struct gl_texture_object *texObj;
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END(ctx);
FLUSH_VERTICES(ctx, _NEW_BUFFERS);
switch (target) {
case GL_TEXTURE_1D:
case GL_TEXTURE_2D:
case GL_TEXTURE_3D:
case GL_TEXTURE_CUBE_MAP:
/* OK, legal value */
break;
default:
_mesa_error(ctx, GL_INVALID_ENUM, "glGenerateMipmapEXT(target)");
return;
}
texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
texObj = _mesa_select_tex_object(ctx, texUnit, target);
/* XXX this might not handle cube maps correctly */
_mesa_lock_texture(ctx, texObj);
_mesa_generate_mipmap(ctx, target, texUnit, texObj);
_mesa_unlock_texture(ctx, texObj);
}
void GLAPIENTRY
_mesa_GetCompressedTexImageARB(GLenum target, GLint level, GLvoid *img)
{
struct gl_texture_object *texObj;
struct gl_texture_image *texImage;
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
if (getcompressedteximage_error_check(ctx, target, level, img)) {
return;
}
if (_mesa_is_bufferobj(ctx->Pack.BufferObj) && !img) {
/* not an error, do nothing */
return;
}
texObj = _mesa_get_current_tex_object(ctx, target);
texImage = _mesa_select_tex_image(ctx, texObj, target, level);
if (MESA_VERBOSE & (VERBOSE_API | VERBOSE_TEXTURE)) {
_mesa_debug(ctx,
"glGetCompressedTexImage(tex %u) format = %s, w=%d, h=%d\n",
texObj->Name,
_mesa_get_format_name(texImage->TexFormat),
texImage->Width, texImage->Height);
}
_mesa_lock_texture(ctx, texObj);
{
ctx->Driver.GetCompressedTexImage(ctx, target, level, img,
texObj, texImage);
}
_mesa_unlock_texture(ctx, texObj);
}
static GLboolean
intel_bind_renderbuffer_tex_image(struct gl_context *ctx,
struct gl_renderbuffer *rb,
struct gl_texture_image *image)
{
struct intel_renderbuffer *irb = intel_renderbuffer(rb);
struct intel_texture_image *intel_image = intel_texture_image(image);
struct gl_texture_object *texobj = image->TexObject;
struct intel_texture_object *intel_texobj = intel_texture_object(texobj);
/* We can only handle RB allocated with AllocRenderbufferStorage, or
* window-system renderbuffers.
*/
assert(!rb->TexImage);
if (!irb->mt)
return false;
_mesa_lock_texture(ctx, texobj);
_mesa_init_teximage_fields(ctx, image,
rb->Width, rb->Height, 1,
0, rb->InternalFormat, rb->Format);
image->NumSamples = rb->NumSamples;
intel_miptree_reference(&intel_image->mt, irb->mt);
/* Immediately validate the image to the object. */
intel_miptree_reference(&intel_texobj->mt, intel_image->mt);
intel_texobj->needs_validate = true;
_mesa_unlock_texture(ctx, texobj);
return true;
}
void
intelSetTexBuffer2(__DRIcontext *pDRICtx, GLint target,
GLint texture_format,
__DRIdrawable *dPriv)
{
struct gl_framebuffer *fb = dPriv->driverPrivate;
struct brw_context *brw = pDRICtx->driverPrivate;
struct gl_context *ctx = &brw->ctx;
struct intel_renderbuffer *rb;
struct gl_texture_object *texObj;
struct gl_texture_image *texImage;
int level = 0, internalFormat = 0;
mesa_format texFormat = MESA_FORMAT_NONE;
texObj = _mesa_get_current_tex_object(ctx, target);
if (!texObj)
return;
if (dPriv->lastStamp != dPriv->dri2.stamp ||
!pDRICtx->driScreenPriv->dri2.useInvalidate)
intel_update_renderbuffers(pDRICtx, dPriv);
rb = intel_get_renderbuffer(fb, BUFFER_FRONT_LEFT);
/* If the miptree isn't set, then intel_update_renderbuffers was unable
* to get the BO for the drawable from the window system.
*/
if (!rb || !rb->mt)
return;
if (rb->mt->cpp == 4) {
if (texture_format == __DRI_TEXTURE_FORMAT_RGB) {
internalFormat = GL_RGB;
texFormat = MESA_FORMAT_B8G8R8X8_UNORM;
}
else {
internalFormat = GL_RGBA;
texFormat = MESA_FORMAT_B8G8R8A8_UNORM;
}
} else if (rb->mt->cpp == 2) {
internalFormat = GL_RGB;
texFormat = MESA_FORMAT_B5G6R5_UNORM;
}
_mesa_lock_texture(&brw->ctx, texObj);
texImage = _mesa_get_tex_image(ctx, texObj, target, level);
intel_miptree_make_shareable(brw, rb->mt);
intel_set_texture_image_bo(ctx, texImage, rb->mt->bo, target,
internalFormat, texFormat, 0,
rb->Base.Base.Width,
rb->Base.Base.Height,
rb->mt->pitch,
0, 0, 0);
_mesa_unlock_texture(&brw->ctx, texObj);
}
void
intelSetTexBuffer2(__DRIcontext *pDRICtx, GLint target,
GLint texture_format,
__DRIdrawable *dPriv)
{
struct gl_framebuffer *fb = dPriv->driverPrivate;
struct intel_context *intel = pDRICtx->driverPrivate;
struct gl_context *ctx = &intel->ctx;
struct intel_texture_object *intelObj;
struct intel_renderbuffer *rb;
struct gl_texture_object *texObj;
struct gl_texture_image *texImage;
int level = 0, internalFormat = 0;
gl_format texFormat = MESA_FORMAT_NONE;
texObj = _mesa_get_current_tex_object(ctx, target);
intelObj = intel_texture_object(texObj);
if (!intelObj)
return;
if (dPriv->lastStamp != dPriv->dri2.stamp ||
!pDRICtx->driScreenPriv->dri2.useInvalidate)
intel_update_renderbuffers(pDRICtx, dPriv);
rb = intel_get_renderbuffer(fb, BUFFER_FRONT_LEFT);
/* If the region isn't set, then intel_update_renderbuffers was unable
* to get the buffers for the drawable.
*/
if (!rb || !rb->mt)
return;
if (rb->mt->cpp == 4) {
if (texture_format == __DRI_TEXTURE_FORMAT_RGB) {
internalFormat = GL_RGB;
texFormat = MESA_FORMAT_XRGB8888;
}
else {
internalFormat = GL_RGBA;
texFormat = MESA_FORMAT_ARGB8888;
}
} else if (rb->mt->cpp == 2) {
internalFormat = GL_RGB;
texFormat = MESA_FORMAT_RGB565;
}
_mesa_lock_texture(&intel->ctx, texObj);
texImage = _mesa_get_tex_image(ctx, texObj, target, level);
intel_set_texture_image_region(ctx, texImage, rb->mt->region, target,
internalFormat, texFormat, 0,
rb->mt->region->width,
rb->mt->region->height,
0, 0);
_mesa_unlock_texture(&intel->ctx, texObj);
}
/**
* Bind a pipe surface to a texture object. After the call,
* the texture object is marked dirty and will be (re-)validated.
*
* If this is the first surface bound, the texture object is said to
* switch from normal to surface based. It will be cleared first in
* this case.
*
* \param ps pipe surface to be unbound
* \param target texture target
* \param level image level
* \param format internal format of the texture
*/
int
st_bind_texture_surface(struct pipe_surface *ps, int target, int level,
enum pipe_format format)
{
GET_CURRENT_CONTEXT(ctx);
const GLuint unit = ctx->Texture.CurrentUnit;
struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit];
struct gl_texture_object *texObj;
struct gl_texture_image *texImage;
struct st_texture_object *stObj;
struct st_texture_image *stImage;
GLenum internalFormat;
switch (target) {
case ST_TEXTURE_2D:
target = GL_TEXTURE_2D;
break;
case ST_TEXTURE_RECT:
target = GL_TEXTURE_RECTANGLE_ARB;
break;
default:
return 0;
}
/* map pipe format to base format for now */
if (pf_get_component_bits(format, PIPE_FORMAT_COMP_A) > 0)
internalFormat = GL_RGBA;
else
internalFormat = GL_RGB;
texObj = _mesa_select_tex_object(ctx, texUnit, target);
_mesa_lock_texture(ctx, texObj);
stObj = st_texture_object(texObj);
/* switch to surface based */
if (!stObj->surface_based) {
_mesa_clear_texture_object(ctx, texObj);
stObj->surface_based = GL_TRUE;
}
texImage = _mesa_get_tex_image(ctx, texObj, target, level);
stImage = st_texture_image(texImage);
_mesa_init_teximage_fields(ctx, target, texImage,
ps->width, ps->height, 1, 0, internalFormat);
texImage->TexFormat = st_ChooseTextureFormat(ctx, internalFormat,
GL_RGBA, GL_UNSIGNED_BYTE);
_mesa_set_fetch_functions(texImage, 2);
pipe_texture_reference(&stImage->pt, ps->texture);
_mesa_dirty_texobj(ctx, texObj, GL_TRUE);
_mesa_unlock_texture(ctx, texObj);
return 1;
}
static bool
intel_copy_texsubimage(struct brw_context *brw,
struct intel_texture_image *intelImage,
GLint dstx, GLint dsty, GLint slice,
struct intel_renderbuffer *irb,
GLint x, GLint y, GLsizei width, GLsizei height)
{
const GLenum internalFormat = intelImage->base.Base.InternalFormat;
bool ret;
/* No pixel transfer operations (zoom, bias, mapping), just a blit */
if (brw->ctx._ImageTransferState)
return false;
intel_prepare_render(brw);
/* glCopyTexSubImage() can be called on a multisampled renderbuffer (if
* that renderbuffer is associated with the window system framebuffer),
* however the hardware blitter can't handle this case, so fall back to
* meta (which can, since it uses ReadPixels).
*/
if (irb->Base.Base.NumSamples != 0)
return false;
/* glCopyTexSubImage() can't be called on a multisampled texture. */
assert(intelImage->base.Base.NumSamples == 0);
if (!intelImage->mt || !irb || !irb->mt) {
if (unlikely(INTEL_DEBUG & DEBUG_PERF))
fprintf(stderr, "%s fail %p %p (0x%08x)\n",
__func__, intelImage->mt, irb, internalFormat);
return false;
}
/* account for view parameters and face index */
int dst_level = intelImage->base.Base.Level +
intelImage->base.Base.TexObject->MinLevel;
int dst_slice = slice + intelImage->base.Base.Face +
intelImage->base.Base.TexObject->MinLayer;
_mesa_unlock_texture(&brw->ctx, intelImage->base.Base.TexObject);
/* blit from src buffer to texture */
ret = intel_miptree_blit(brw,
irb->mt, irb->mt_level, irb->mt_layer,
x, y, irb->Base.Base.Name == 0,
intelImage->mt, dst_level, dst_slice,
dstx, dsty, false,
width, height, GL_COPY);
_mesa_lock_texture(&brw->ctx, intelImage->base.Base.TexObject);
return ret;
}
/**
* Delete named textures.
*
* \param n number of textures to be deleted.
* \param textures array of texture IDs to be deleted.
*
* \sa glDeleteTextures().
*
* If we're about to delete a texture that's currently bound to any
* texture unit, unbind the texture first. Decrement the reference
* count on the texture object and delete it if it's zero.
* Recall that texture objects can be shared among several rendering
* contexts.
*/
void GLAPIENTRY
_mesa_DeleteTextures( GLsizei n, const GLuint *textures)
{
GET_CURRENT_CONTEXT(ctx);
GLint i;
if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE))
_mesa_debug(ctx, "glDeleteTextures %d\n", n);
FLUSH_VERTICES(ctx, 0); /* too complex */
if (!textures)
return;
for (i = 0; i < n; i++) {
if (textures[i] > 0) {
struct gl_texture_object *delObj
= _mesa_lookup_texture(ctx, textures[i]);
if (delObj) {
_mesa_lock_texture(ctx, delObj);
/* Check if texture is bound to any framebuffer objects.
* If so, unbind.
* See section 4.4.2.3 of GL_EXT_framebuffer_object.
*/
unbind_texobj_from_fbo(ctx, delObj);
/* Check if this texture is currently bound to any texture units.
* If so, unbind it.
*/
unbind_texobj_from_texunits(ctx, delObj);
_mesa_unlock_texture(ctx, delObj);
ctx->NewState |= _NEW_TEXTURE;
/* The texture _name_ is now free for re-use.
* Remove it from the hash table now.
*/
_glthread_LOCK_MUTEX(ctx->Shared->Mutex);
_mesa_HashRemove(ctx->Shared->TexObjects, delObj->Name);
_glthread_UNLOCK_MUTEX(ctx->Shared->Mutex);
/* Unreference the texobj. If refcount hits zero, the texture
* will be deleted.
*/
_mesa_reference_texobj(&delObj, NULL);
}
}
}
}
/**
* This is the implementation for glGetnTexImageARB, glGetTextureImage,
* and glGetTexImage.
*
* Requires caller to pass in texImage object because _mesa_GetTextureImage
* must handle the GL_TEXTURE_CUBE_MAP target.
*
* \param target texture target.
* \param level image level.
* \param format pixel data format for returned image.
* \param type pixel data type for returned image.
* \param bufSize size of the pixels data buffer.
* \param pixels returned pixel data.
* \param dsa True when the caller is an ARB_direct_state_access function,
* false otherwise
*/
void
_mesa_get_texture_image(struct gl_context *ctx,
struct gl_texture_object *texObj,
struct gl_texture_image *texImage, GLenum target,
GLint level, GLenum format, GLenum type,
GLsizei bufSize, GLvoid *pixels, bool dsa)
{
assert(texObj);
assert(texImage);
FLUSH_VERTICES(ctx, 0);
/*
* Legal target checking has been moved up to GetnTexImage and
* GetTextureImage so that it can be caught before receiving a NULL
* texImage object and exiting.
*/
if (getteximage_error_check(ctx, texImage, target, level, format,
type, bufSize, pixels, dsa)) {
return;
}
if (!_mesa_is_bufferobj(ctx->Pack.BufferObj) && !pixels) {
/* not an error, do nothing */
return;
}
if (_mesa_is_zero_size_texture(texImage))
return;
if (MESA_VERBOSE & (VERBOSE_API | VERBOSE_TEXTURE)) {
_mesa_debug(ctx, "glGetTex%sImage(tex %u) format = %s, w=%d, h=%d,"
" dstFmt=0x%x, dstType=0x%x\n",
dsa ? "ture": "",
texObj->Name,
_mesa_get_format_name(texImage->TexFormat),
texImage->Width, texImage->Height,
format, type);
}
_mesa_lock_texture(ctx, texObj);
{
ctx->Driver.GetTexImage(ctx, format, type, pixels, texImage);
}
_mesa_unlock_texture(ctx, texObj);
}
/**
* Unbind a pipe surface from a texture object. After the call,
* the texture object is marked dirty and will be (re-)validated.
*
* \param ps pipe surface to be unbound
* \param target texture target
* \param level image level
*/
int
st_unbind_texture_surface(struct pipe_surface *ps, int target, int level)
{
GET_CURRENT_CONTEXT(ctx);
const GLuint unit = ctx->Texture.CurrentUnit;
struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit];
struct gl_texture_object *texObj;
struct gl_texture_image *texImage;
struct st_texture_object *stObj;
struct st_texture_image *stImage;
switch (target) {
case ST_TEXTURE_2D:
target = GL_TEXTURE_2D;
break;
case ST_TEXTURE_RECT:
target = GL_TEXTURE_RECTANGLE_ARB;
break;
default:
return 0;
}
texObj = _mesa_select_tex_object(ctx, texUnit, target);
_mesa_lock_texture(ctx, texObj);
texImage = _mesa_get_tex_image(ctx, texObj, target, level);
stObj = st_texture_object(texObj);
stImage = st_texture_image(texImage);
/* Make sure the pipe surface is still bound. The texture object is still
* considered surface based even if this is the last bound surface. */
if (stImage->pt == ps->texture) {
pipe_texture_reference(&stImage->pt, NULL);
_mesa_clear_texture_image(ctx, texImage);
_mesa_dirty_texobj(ctx, texObj, GL_TRUE);
}
_mesa_unlock_texture(ctx, texObj);
return 1;
}
/**
* Delete named textures.
*
* \param n number of textures to be deleted.
* \param textures array of texture IDs to be deleted.
*
* \sa glDeleteTextures().
*
* If we're about to delete a texture that's currently bound to any
* texture unit, unbind the texture first. Decrement the reference
* count on the texture object and delete it if it's zero.
* Recall that texture objects can be shared among several rendering
* contexts.
*/
void GLAPIENTRY
_mesa_DeleteTextures( GLsizei n, const GLuint *textures)
{
GET_CURRENT_CONTEXT(ctx);
GLint i;
ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); /* too complex */
if (!textures)
return;
for (i = 0; i < n; i++) {
if (textures[i] > 0) {
struct gl_texture_object *delObj
= _mesa_lookup_texture(ctx, textures[i]);
if (delObj) {
_mesa_lock_texture(ctx, delObj);
/* Check if this texture is currently bound to any texture units.
* If so, unbind it.
*/
unbind_texobj_from_texunits(ctx, delObj);
_mesa_unlock_texture(ctx, delObj);
ctx->NewState |= _NEW_TEXTURE;
/* The texture _name_ is now free for re-use.
* Remove it from the hash table now.
*/
_glthread_LOCK_MUTEX(ctx->Shared->Mutex);
_mesa_HashRemove(ctx->Shared->TexObjects, delObj->Name);
_glthread_UNLOCK_MUTEX(ctx->Shared->Mutex);
/* Unreference the texobj. If refcount hits zero, the texture
* will be deleted.
*/
_mesa_reference_texobj(&delObj, NULL);
}
}
}
}
/**
* Get texture image. Called by glGetTexImage.
*
* \param target texture target.
* \param level image level.
* \param format pixel data format for returned image.
* \param type pixel data type for returned image.
* \param bufSize size of the pixels data buffer.
* \param pixels returned pixel data.
*/
void GLAPIENTRY
_mesa_GetnTexImageARB( GLenum target, GLint level, GLenum format,
GLenum type, GLsizei bufSize, GLvoid *pixels )
{
struct gl_texture_object *texObj;
struct gl_texture_image *texImage;
GET_CURRENT_CONTEXT(ctx);
FLUSH_VERTICES(ctx, 0);
if (getteximage_error_check(ctx, target, level, format, type,
bufSize, pixels)) {
return;
}
if (!_mesa_is_bufferobj(ctx->Pack.BufferObj) && !pixels) {
/* not an error, do nothing */
return;
}
texObj = _mesa_get_current_tex_object(ctx, target);
texImage = _mesa_select_tex_image(ctx, texObj, target, level);
if (_mesa_is_zero_size_texture(texImage))
return;
if (MESA_VERBOSE & (VERBOSE_API | VERBOSE_TEXTURE)) {
_mesa_debug(ctx, "glGetTexImage(tex %u) format = %s, w=%d, h=%d,"
" dstFmt=0x%x, dstType=0x%x\n",
texObj->Name,
_mesa_get_format_name(texImage->TexFormat),
texImage->Width, texImage->Height,
format, type);
}
_mesa_lock_texture(ctx, texObj);
{
ctx->Driver.GetTexImage(ctx, format, type, pixels, texImage);
}
_mesa_unlock_texture(ctx, texObj);
}
/** Implements glGetnCompressedTexImageARB, glGetCompressedTexImage, and
* glGetCompressedTextureImage.
*
* texImage must be passed in because glGetCompressedTexImage must handle the
* target GL_TEXTURE_CUBE_MAP.
*/
void
_mesa_get_compressed_texture_image(struct gl_context *ctx,
struct gl_texture_object *texObj,
struct gl_texture_image *texImage,
GLenum target, GLint level,
GLsizei bufSize, GLvoid *pixels,
bool dsa)
{
assert(texObj);
assert(texImage);
FLUSH_VERTICES(ctx, 0);
if (getcompressedteximage_error_check(ctx, texImage, target, level,
bufSize, pixels, dsa)) {
return;
}
if (!_mesa_is_bufferobj(ctx->Pack.BufferObj) && !pixels) {
/* not an error, do nothing */
return;
}
if (_mesa_is_zero_size_texture(texImage))
return;
if (MESA_VERBOSE & (VERBOSE_API | VERBOSE_TEXTURE)) {
_mesa_debug(ctx,
"glGetCompressedTex%sImage(tex %u) format = %s, w=%d, h=%d\n",
dsa ? "ture" : "", texObj->Name,
_mesa_get_format_name(texImage->TexFormat),
texImage->Width, texImage->Height);
}
_mesa_lock_texture(ctx, texObj);
{
ctx->Driver.GetCompressedTexImage(ctx, texImage, pixels);
}
_mesa_unlock_texture(ctx, texObj);
}
static void swrastSetTexBuffer2(__DRIcontext *pDRICtx, GLint target,
GLint texture_format, __DRIdrawable *dPriv)
{
struct dri_context *dri_ctx;
int x, y, w, h;
__DRIscreen *sPriv = dPriv->driScreenPriv;
struct gl_texture_unit *texUnit;
struct gl_texture_object *texObj;
struct gl_texture_image *texImage;
struct swrast_texture_image *swImage;
uint32_t internalFormat;
gl_format texFormat;
dri_ctx = pDRICtx->driverPrivate;
internalFormat = (texture_format == __DRI_TEXTURE_FORMAT_RGB ? 3 : 4);
texUnit = _mesa_get_current_tex_unit(&dri_ctx->Base);
texObj = _mesa_select_tex_object(&dri_ctx->Base, texUnit, target);
texImage = _mesa_get_tex_image(&dri_ctx->Base, texObj, target, 0);
swImage = swrast_texture_image(texImage);
_mesa_lock_texture(&dri_ctx->Base, texObj);
sPriv->swrast_loader->getDrawableInfo(dPriv, &x, &y, &w, &h, dPriv->loaderPrivate);
if (texture_format == __DRI_TEXTURE_FORMAT_RGB)
texFormat = MESA_FORMAT_XRGB8888;
else
texFormat = MESA_FORMAT_ARGB8888;
_mesa_init_teximage_fields(&dri_ctx->Base, texImage,
w, h, 1, 0, internalFormat, texFormat);
sPriv->swrast_loader->getImage(dPriv, x, y, w, h, (char *)swImage->Buffer,
dPriv->loaderPrivate);
_mesa_unlock_texture(&dri_ctx->Base, texObj);
}
void GLAPIENTRY
_mesa_GenerateMipmapEXT(GLenum target)
{
struct gl_texture_unit *texUnit;
struct gl_texture_object *texObj;
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END(ctx);
FLUSH_VERTICES(ctx, _NEW_BUFFERS);
switch (target) {
case GL_TEXTURE_1D:
case GL_TEXTURE_2D:
case GL_TEXTURE_3D:
case GL_TEXTURE_CUBE_MAP:
/* OK, legal value */
break;
default:
_mesa_error(ctx, GL_INVALID_ENUM, "glGenerateMipmapEXT(target)");
return;
}
texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
texObj = _mesa_select_tex_object(ctx, texUnit, target);
_mesa_lock_texture(ctx, texObj);
if (target == GL_TEXTURE_CUBE_MAP) {
int face;
for (face = 0; face < 6; face++)
ctx->Driver.GenerateMipmap(ctx,
GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB + face,
texObj);
} else {
ctx->Driver.GenerateMipmap(ctx, target, texObj);
}
_mesa_unlock_texture(ctx, texObj);
}
/**
* Generate all the mipmap levels below the base level.
* Note: this GL function would be more useful if one could specify a
* cube face, a set of array slices, etc.
*/
void GLAPIENTRY
_mesa_GenerateMipmap(GLenum target)
{
struct gl_texture_image *srcImage;
struct gl_texture_object *texObj;
GLboolean error;
GET_CURRENT_CONTEXT(ctx);
FLUSH_VERTICES(ctx, 0);
switch (target) {
case GL_TEXTURE_1D:
error = _mesa_is_gles(ctx);
break;
case GL_TEXTURE_2D:
error = GL_FALSE;
break;
case GL_TEXTURE_3D:
error = ctx->API == API_OPENGLES;
break;
case GL_TEXTURE_CUBE_MAP:
error = !ctx->Extensions.ARB_texture_cube_map;
break;
case GL_TEXTURE_1D_ARRAY:
error = _mesa_is_gles(ctx) || !ctx->Extensions.EXT_texture_array;
break;
case GL_TEXTURE_2D_ARRAY:
error = (_mesa_is_gles(ctx) && ctx->Version < 30)
|| !ctx->Extensions.EXT_texture_array;
break;
case GL_TEXTURE_CUBE_MAP_ARRAY:
error = _mesa_is_gles(ctx) ||
!ctx->Extensions.ARB_texture_cube_map_array;
break;
default:
error = GL_TRUE;
}
if (error) {
_mesa_error(ctx, GL_INVALID_ENUM, "glGenerateMipmapEXT(target=%s)",
_mesa_lookup_enum_by_nr(target));
return;
}
texObj = _mesa_get_current_tex_object(ctx, target);
if (texObj->BaseLevel >= texObj->MaxLevel) {
/* nothing to do */
return;
}
if (texObj->Target == GL_TEXTURE_CUBE_MAP &&
!_mesa_cube_complete(texObj)) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glGenerateMipmap(incomplete cube map)");
return;
}
_mesa_lock_texture(ctx, texObj);
srcImage = _mesa_select_tex_image(ctx, texObj, target, texObj->BaseLevel);
if (!srcImage) {
_mesa_unlock_texture(ctx, texObj);
_mesa_error(ctx, GL_INVALID_OPERATION,
"glGenerateMipmap(zero size base image)");
return;
}
if (_mesa_is_enum_format_integer(srcImage->InternalFormat) ||
_mesa_is_depthstencil_format(srcImage->InternalFormat) ||
_mesa_is_stencil_format(srcImage->InternalFormat)) {
_mesa_unlock_texture(ctx, texObj);
_mesa_error(ctx, GL_INVALID_OPERATION,
"glGenerateMipmap(invalid internal format)");
return;
}
if (target == GL_TEXTURE_CUBE_MAP) {
GLuint face;
for (face = 0; face < 6; face++)
ctx->Driver.GenerateMipmap(ctx,
GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB + face,
texObj);
}
else {
ctx->Driver.GenerateMipmap(ctx, target, texObj);
}
_mesa_unlock_texture(ctx, texObj);
}
static GLintptr
register_surface(struct gl_context *ctx, GLboolean isOutput,
const GLvoid *vdpSurface, GLenum target,
GLsizei numTextureNames, const GLuint *textureNames)
{
struct vdp_surface *surf;
int i;
if (!ctx->vdpDevice || !ctx->vdpGetProcAddress || !ctx->vdpSurfaces) {
_mesa_error(ctx, GL_INVALID_OPERATION, "VDPAURegisterSurfaceNV");
return (GLintptr)NULL;
}
if (target != GL_TEXTURE_2D && target != GL_TEXTURE_RECTANGLE) {
_mesa_error(ctx, GL_INVALID_ENUM, "VDPAURegisterSurfaceNV");
return (GLintptr)NULL;
}
if (target == GL_TEXTURE_RECTANGLE && !ctx->Extensions.NV_texture_rectangle) {
_mesa_error(ctx, GL_INVALID_ENUM, "VDPAURegisterSurfaceNV");
return (GLintptr)NULL;
}
surf = CALLOC_STRUCT( vdp_surface );
if (surf == NULL) {
_mesa_error_no_memory("VDPAURegisterSurfaceNV");
return (GLintptr)NULL;
}
surf->vdpSurface = vdpSurface;
surf->target = target;
surf->access = GL_READ_WRITE;
surf->state = GL_SURFACE_REGISTERED_NV;
surf->output = isOutput;
for (i = 0; i < numTextureNames; ++i) {
struct gl_texture_object *tex;
tex = _mesa_lookup_texture(ctx, textureNames[i]);
if (tex == NULL) {
free(surf);
_mesa_error(ctx, GL_INVALID_OPERATION,
"VDPAURegisterSurfaceNV(texture ID not found)");
return (GLintptr)NULL;
}
_mesa_lock_texture(ctx, tex);
if (tex->Immutable) {
_mesa_unlock_texture(ctx, tex);
free(surf);
_mesa_error(ctx, GL_INVALID_OPERATION,
"VDPAURegisterSurfaceNV(texture is immutable)");
return (GLintptr)NULL;
}
if (tex->Target == 0)
tex->Target = target;
else if (tex->Target != target) {
_mesa_unlock_texture(ctx, tex);
free(surf);
_mesa_error(ctx, GL_INVALID_OPERATION,
"VDPAURegisterSurfaceNV(target mismatch)");
return (GLintptr)NULL;
}
/* This will disallow respecifying the storage. */
tex->Immutable = GL_TRUE;
_mesa_unlock_texture(ctx, tex);
_mesa_reference_texobj(&surf->textures[i], tex);
}
_mesa_set_add(ctx->vdpSurfaces, surf);
return (GLintptr)surf;
}
/**
* Called via ctx->Driver.GenerateMipmap()
* Note: We don't yet support 3D textures, or texture borders.
*/
void
_mesa_meta_GenerateMipmap(struct gl_context *ctx, GLenum target,
struct gl_texture_object *texObj)
{
struct gen_mipmap_state *mipmap = &ctx->Meta->Mipmap;
struct vertex verts[4];
const GLuint baseLevel = texObj->BaseLevel;
const GLuint maxLevel = texObj->MaxLevel;
const GLint maxLevelSave = texObj->MaxLevel;
const GLboolean genMipmapSave = texObj->GenerateMipmap;
const GLboolean use_glsl_version = ctx->Extensions.ARB_vertex_shader &&
ctx->Extensions.ARB_fragment_shader;
GLenum faceTarget;
GLuint dstLevel;
struct gl_sampler_object *samp_obj_save = NULL;
GLint swizzle[4];
GLboolean swizzleSaved = GL_FALSE;
/* GLint so the compiler won't complain about type signedness mismatch in
* the calls to _mesa_texture_parameteriv below.
*/
static const GLint always_false = GL_FALSE;
static const GLint always_true = GL_TRUE;
if (fallback_required(ctx, target, texObj)) {
_mesa_generate_mipmap(ctx, target, texObj);
return;
}
if (target >= GL_TEXTURE_CUBE_MAP_POSITIVE_X &&
target <= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z) {
faceTarget = target;
target = GL_TEXTURE_CUBE_MAP;
} else {
faceTarget = target;
}
_mesa_meta_begin(ctx, MESA_META_ALL & ~MESA_META_DRAW_BUFFERS);
_mesa_ColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
/* Choose between glsl version and fixed function version of
* GenerateMipmap function.
*/
if (use_glsl_version) {
_mesa_meta_setup_vertex_objects(ctx, &mipmap->VAO, &mipmap->buf_obj, true,
2, 4, 0);
_mesa_meta_setup_blit_shader(ctx, target, false, &mipmap->shaders);
} else {
_mesa_meta_setup_ff_tnl_for_blit(ctx, &mipmap->VAO, &mipmap->buf_obj, 3);
_mesa_set_enable(ctx, target, GL_TRUE);
}
_mesa_reference_sampler_object(ctx, &samp_obj_save,
ctx->Texture.Unit[ctx->Texture.CurrentUnit].Sampler);
/* We may have been called from glGenerateTextureMipmap with CurrentUnit
* still set to 0, so we don't know when we can skip binding the texture.
* Assume that _mesa_BindTexture will be fast if we're rebinding the same
* texture.
*/
_mesa_BindTexture(target, texObj->Name);
if (mipmap->samp_obj == NULL) {
mipmap->samp_obj = ctx->Driver.NewSamplerObject(ctx, 0xDEADBEEF);
if (mipmap->samp_obj == NULL) {
/* This is a bit lazy. Flag out of memory, and then don't bother to
* clean up. Once out of memory is flagged, the only realistic next
* move is to destroy the context. That will trigger all the right
* clean up.
*/
_mesa_error(ctx, GL_OUT_OF_MEMORY, "glGenerateMipmap");
return;
}
_mesa_set_sampler_filters(ctx, mipmap->samp_obj, GL_LINEAR_MIPMAP_LINEAR,
GL_LINEAR);
_mesa_set_sampler_wrap(ctx, mipmap->samp_obj, GL_CLAMP_TO_EDGE,
GL_CLAMP_TO_EDGE, GL_CLAMP_TO_EDGE);
/* We don't want to encode or decode sRGB values; treat them as linear. */
_mesa_set_sampler_srgb_decode(ctx, mipmap->samp_obj, GL_SKIP_DECODE_EXT);
}
_mesa_bind_sampler(ctx, ctx->Texture.CurrentUnit, mipmap->samp_obj);
assert(mipmap->fb != NULL);
_mesa_bind_framebuffers(ctx, mipmap->fb, mipmap->fb);
_mesa_texture_parameteriv(ctx, texObj, GL_GENERATE_MIPMAP, &always_false, false);
if (texObj->_Swizzle != SWIZZLE_NOOP) {
static const GLint swizzleNoop[4] = { GL_RED, GL_GREEN, GL_BLUE, GL_ALPHA };
memcpy(swizzle, texObj->Swizzle, sizeof(swizzle));
swizzleSaved = GL_TRUE;
_mesa_texture_parameteriv(ctx, texObj, GL_TEXTURE_SWIZZLE_RGBA,
swizzleNoop, false);
}
/* Silence valgrind warnings about reading uninitialized stack. */
memset(verts, 0, sizeof(verts));
/* setup vertex positions */
verts[0].x = -1.0F;
verts[0].y = -1.0F;
verts[1].x = 1.0F;
verts[1].y = -1.0F;
verts[2].x = 1.0F;
verts[2].y = 1.0F;
verts[3].x = -1.0F;
verts[3].y = 1.0F;
/* texture is already locked, unlock now */
_mesa_unlock_texture(ctx, texObj);
_mesa_prepare_mipmap_levels(ctx, texObj, baseLevel, maxLevel);
for (dstLevel = baseLevel + 1; dstLevel <= maxLevel; dstLevel++) {
const struct gl_texture_image *srcImage;
struct gl_texture_image *dstImage;
const GLuint srcLevel = dstLevel - 1;
GLuint layer;
GLsizei srcWidth, srcHeight, srcDepth;
GLsizei dstWidth, dstHeight, dstDepth;
srcImage = _mesa_select_tex_image(texObj, faceTarget, srcLevel);
assert(srcImage->Border == 0);
/* src size */
srcWidth = srcImage->Width;
if (target == GL_TEXTURE_1D_ARRAY) {
srcHeight = 1;
srcDepth = srcImage->Height;
} else {
srcHeight = srcImage->Height;
srcDepth = srcImage->Depth;
}
/* new dst size */
dstWidth = minify(srcWidth, 1);
dstHeight = minify(srcHeight, 1);
dstDepth = target == GL_TEXTURE_3D ? minify(srcDepth, 1) : srcDepth;
if (dstWidth == srcWidth &&
dstHeight == srcHeight &&
dstDepth == srcDepth) {
/* all done */
break;
}
/* Allocate storage for the destination mipmap image(s) */
/* Set MaxLevel large enough to hold the new level when we allocate it */
_mesa_texture_parameteriv(ctx, texObj, GL_TEXTURE_MAX_LEVEL,
(GLint *) &dstLevel, false);
dstImage = _mesa_select_tex_image(texObj, faceTarget, dstLevel);
/* All done. We either ran out of memory or we would go beyond the last
* valid level of an immutable texture if we continued.
*/
if (dstImage == NULL)
break;
/* limit minification to src level */
_mesa_texture_parameteriv(ctx, texObj, GL_TEXTURE_MAX_LEVEL,
(GLint *) &srcLevel, false);
/* setup viewport */
_mesa_set_viewport(ctx, 0, 0, 0, dstWidth, dstHeight);
_mesa_DrawBuffer(GL_COLOR_ATTACHMENT0);
for (layer = 0; layer < dstDepth; ++layer) {
/* Setup texture coordinates */
_mesa_meta_setup_texture_coords(faceTarget,
layer,
0, 0, /* xoffset, yoffset */
srcWidth, srcHeight, /* img size */
srcWidth, srcHeight, srcDepth,
verts[0].tex,
verts[1].tex,
verts[2].tex,
verts[3].tex);
/* upload vertex data */
_mesa_buffer_data(ctx, mipmap->buf_obj, GL_NONE, sizeof(verts), verts,
GL_DYNAMIC_DRAW, __func__);
_mesa_meta_framebuffer_texture_image(ctx, ctx->DrawBuffer,
GL_COLOR_ATTACHMENT0, dstImage,
layer);
/* sanity check */
if (_mesa_check_framebuffer_status(ctx, ctx->DrawBuffer) !=
GL_FRAMEBUFFER_COMPLETE) {
_mesa_problem(ctx, "Unexpected incomplete framebuffer in "
"_mesa_meta_GenerateMipmap()");
break;
}
assert(dstWidth == ctx->DrawBuffer->Width);
if (target == GL_TEXTURE_1D_ARRAY) {
assert(dstHeight == 1);
} else {
assert(dstHeight == ctx->DrawBuffer->Height);
}
_mesa_DrawArrays(GL_TRIANGLE_FAN, 0, 4);
}
}
_mesa_lock_texture(ctx, texObj); /* relock */
_mesa_bind_sampler(ctx, ctx->Texture.CurrentUnit, samp_obj_save);
_mesa_reference_sampler_object(ctx, &samp_obj_save, NULL);
_mesa_meta_end(ctx);
_mesa_texture_parameteriv(ctx, texObj, GL_TEXTURE_MAX_LEVEL, &maxLevelSave,
false);
if (genMipmapSave)
_mesa_texture_parameteriv(ctx, texObj, GL_GENERATE_MIPMAP, &always_true,
false);
if (swizzleSaved)
_mesa_texture_parameteriv(ctx, texObj, GL_TEXTURE_SWIZZLE_RGBA, swizzle,
false);
}
/**
* Called via ctx->Driver.GenerateMipmap()
* Note: We don't yet support 3D textures, 1D/2D array textures or texture
* borders.
*/
void
_mesa_meta_GenerateMipmap(struct gl_context *ctx, GLenum target,
struct gl_texture_object *texObj)
{
struct gen_mipmap_state *mipmap = &ctx->Meta->Mipmap;
struct vertex verts[4];
const GLuint baseLevel = texObj->BaseLevel;
const GLuint maxLevel = texObj->MaxLevel;
const GLint maxLevelSave = texObj->MaxLevel;
const GLboolean genMipmapSave = texObj->GenerateMipmap;
const GLuint currentTexUnitSave = ctx->Texture.CurrentUnit;
const GLboolean use_glsl_version = ctx->Extensions.ARB_vertex_shader &&
ctx->Extensions.ARB_fragment_shader;
GLenum faceTarget;
GLuint dstLevel;
GLuint samplerSave;
GLint swizzle[4];
GLboolean swizzleSaved = GL_FALSE;
if (fallback_required(ctx, target, texObj)) {
_mesa_generate_mipmap(ctx, target, texObj);
return;
}
if (target >= GL_TEXTURE_CUBE_MAP_POSITIVE_X &&
target <= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z) {
faceTarget = target;
target = GL_TEXTURE_CUBE_MAP;
} else {
faceTarget = target;
}
_mesa_meta_begin(ctx, MESA_META_ALL & ~MESA_META_DRAW_BUFFERS);
/* Choose between glsl version and fixed function version of
* GenerateMipmap function.
*/
if (use_glsl_version) {
_mesa_meta_setup_vertex_objects(&mipmap->VAO, &mipmap->VBO, true,
2, 4, 0);
_mesa_meta_setup_blit_shader(ctx, target, false, &mipmap->shaders);
} else {
_mesa_meta_setup_ff_tnl_for_blit(&mipmap->VAO, &mipmap->VBO, 3);
_mesa_set_enable(ctx, target, GL_TRUE);
}
samplerSave = ctx->Texture.Unit[ctx->Texture.CurrentUnit].Sampler ?
ctx->Texture.Unit[ctx->Texture.CurrentUnit].Sampler->Name : 0;
if (currentTexUnitSave != 0)
glBindTexture(target, texObj->Name);
if (!mipmap->Sampler) {
glGenSamplers(1, &mipmap->Sampler);
glBindSampler(ctx->Texture.CurrentUnit, mipmap->Sampler);
glSamplerParameteri(mipmap->Sampler,
GL_TEXTURE_MIN_FILTER,
GL_LINEAR_MIPMAP_LINEAR);
glSamplerParameteri(mipmap->Sampler, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glSamplerParameteri(mipmap->Sampler, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glSamplerParameteri(mipmap->Sampler, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glSamplerParameteri(mipmap->Sampler, GL_TEXTURE_WRAP_R, GL_CLAMP_TO_EDGE);
/* We don't want to encode or decode sRGB values; treat them as linear.
* This is not technically correct for GLES3 but we don't get any API
* error at the moment.
*/
if (ctx->Extensions.EXT_texture_sRGB_decode) {
glSamplerParameteri(mipmap->Sampler, GL_TEXTURE_SRGB_DECODE_EXT,
GL_SKIP_DECODE_EXT);
}
} else {
glBindSampler(ctx->Texture.CurrentUnit, mipmap->Sampler);
}
assert(mipmap->FBO != 0);
glBindFramebuffer(GL_FRAMEBUFFER, mipmap->FBO);
glTexParameteri(target, GL_GENERATE_MIPMAP, GL_FALSE);
// if (texObj->_Swizzle != SWIZZLE_NOOP) {
// static const GLint swizzleNoop[4] = { GL_RED, GL_GREEN, GL_BLUE, GL_ALPHA };
// memcpy(swizzle, texObj->Swizzle, sizeof(swizzle));
// swizzleSaved = GL_TRUE;
// glTexParameteriv(target, GL_TEXTURE_SWIZZLE_RGBA, swizzleNoop);
// }
/* Silence valgrind warnings about reading uninitialized stack. */
memset(verts, 0, sizeof(verts));
/* setup vertex positions */
verts[0].x = -1.0F;
verts[0].y = -1.0F;
verts[1].x = 1.0F;
verts[1].y = -1.0F;
verts[2].x = 1.0F;
verts[2].y = 1.0F;
verts[3].x = -1.0F;
verts[3].y = 1.0F;
/* texture is already locked, unlock now */
_mesa_unlock_texture(ctx, texObj);
for (dstLevel = baseLevel + 1; dstLevel <= maxLevel; dstLevel++) {
const struct gl_texture_image *srcImage;
struct gl_texture_image *dstImage;
const GLuint srcLevel = dstLevel - 1;
GLuint layer;
GLsizei srcWidth, srcHeight, srcDepth;
GLsizei dstWidth, dstHeight, dstDepth;
srcImage = _mesa_select_tex_image(texObj, faceTarget, srcLevel);
assert(srcImage->Border == 0);
/* src size */
srcWidth = srcImage->Width;
if (target == GL_TEXTURE_1D_ARRAY) {
srcHeight = 1;
srcDepth = srcImage->Height;
} else {
srcHeight = srcImage->Height;
srcDepth = srcImage->Depth;
}
/* new dst size */
dstWidth = minify(srcWidth, 1);
dstHeight = minify(srcHeight, 1);
// dstDepth = target == GL_TEXTURE_3D ? minify(srcDepth, 1) : srcDepth;
dstDepth = srcDepth;
if (dstWidth == srcWidth &&
dstHeight == srcHeight &&
dstDepth == srcDepth) {
/* all done */
break;
}
/* Allocate storage for the destination mipmap image(s) */
/* Set MaxLevel large enough to hold the new level when we allocate it */
glTexParameteri(target, GL_TEXTURE_MAX_LEVEL, dstLevel);
if (!prepare_mipmap_level(ctx, texObj, dstLevel,
dstWidth, dstHeight, dstDepth,
srcImage->InternalFormat,
srcImage->TexFormat)) {
/* All done. We either ran out of memory or we would go beyond the
* last valid level of an immutable texture if we continued.
*/
break;
}
dstImage = _mesa_select_tex_image(texObj, faceTarget, dstLevel);
/* limit minification to src level */
glTexParameteri(target, GL_TEXTURE_MAX_LEVEL, srcLevel);
/* setup viewport */
_mesa_set_viewport(ctx, 0, 0, 0, dstWidth, dstHeight);
glDrawBuffer(GL_COLOR_ATTACHMENT0);
for (layer = 0; layer < dstDepth; ++layer) {
/* Setup texture coordinates */
_mesa_meta_setup_texture_coords(faceTarget,
layer,
0, 0, 1, /* width, height never used here */
verts[0].tex,
verts[1].tex,
verts[2].tex,
verts[3].tex);
/* upload vertex data */
glBufferData(GL_ARRAY_BUFFER, sizeof(verts),
verts, GL_DYNAMIC_DRAW);
_mesa_meta_bind_fbo_image(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, dstImage, layer);
/* sanity check */
if (glCheckFramebufferStatus(GL_FRAMEBUFFER) !=
GL_FRAMEBUFFER_COMPLETE) {
_mesa_problem(ctx, "Unexpected incomplete framebuffer in "
"_mesa_meta_GenerateMipmap()");
break;
}
assert(dstWidth == ctx->DrawBuffer->Width);
if (target == GL_TEXTURE_1D_ARRAY) {
assert(dstHeight == 1);
} else {
assert(dstHeight == ctx->DrawBuffer->Height);
}
glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
}
}
_mesa_lock_texture(ctx, texObj); /* relock */
glBindSampler(ctx->Texture.CurrentUnit, samplerSave);
_mesa_meta_end(ctx);
glTexParameteri(target, GL_TEXTURE_MAX_LEVEL, maxLevelSave);
if (genMipmapSave)
glTexParameteri(target, GL_GENERATE_MIPMAP, genMipmapSave);
// if (swizzleSaved)
// glTexParameteriv(target, GL_TEXTURE_SWIZZLE_RGBA, swizzle);
}
void GLAPIENTRY
_mesa_GetTexParameterfv( GLenum target, GLenum pname, GLfloat *params )
{
struct gl_texture_unit *texUnit;
struct gl_texture_object *obj;
GLboolean error = GL_FALSE;
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END(ctx);
if (ctx->Texture.CurrentUnit >= ctx->Const.MaxTextureImageUnits) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glGetTexParameterfv(current unit)");
return;
}
texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
obj = _mesa_select_tex_object(ctx, texUnit, target);
if (!obj) {
_mesa_error(ctx, GL_INVALID_ENUM, "glGetTexParameterfv(target)");
return;
}
_mesa_lock_texture(ctx, obj);
switch (pname) {
case GL_TEXTURE_MAG_FILTER:
*params = ENUM_TO_FLOAT(obj->MagFilter);
break;
case GL_TEXTURE_MIN_FILTER:
*params = ENUM_TO_FLOAT(obj->MinFilter);
break;
case GL_TEXTURE_WRAP_S:
*params = ENUM_TO_FLOAT(obj->WrapS);
break;
case GL_TEXTURE_WRAP_T:
*params = ENUM_TO_FLOAT(obj->WrapT);
break;
case GL_TEXTURE_WRAP_R:
*params = ENUM_TO_FLOAT(obj->WrapR);
break;
case GL_TEXTURE_BORDER_COLOR:
params[0] = CLAMP(obj->BorderColor[0], 0.0F, 1.0F);
params[1] = CLAMP(obj->BorderColor[1], 0.0F, 1.0F);
params[2] = CLAMP(obj->BorderColor[2], 0.0F, 1.0F);
params[3] = CLAMP(obj->BorderColor[3], 0.0F, 1.0F);
break;
case GL_TEXTURE_RESIDENT:
{
GLboolean resident;
if (ctx->Driver.IsTextureResident)
resident = ctx->Driver.IsTextureResident(ctx, obj);
else
resident = GL_TRUE;
*params = ENUM_TO_FLOAT(resident);
}
break;
case GL_TEXTURE_PRIORITY:
*params = obj->Priority;
break;
case GL_TEXTURE_MIN_LOD:
*params = obj->MinLod;
break;
case GL_TEXTURE_MAX_LOD:
*params = obj->MaxLod;
break;
case GL_TEXTURE_BASE_LEVEL:
*params = (GLfloat) obj->BaseLevel;
break;
case GL_TEXTURE_MAX_LEVEL:
*params = (GLfloat) obj->MaxLevel;
break;
case GL_TEXTURE_MAX_ANISOTROPY_EXT:
if (ctx->Extensions.EXT_texture_filter_anisotropic) {
*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;
break;
case GL_SHADOW_AMBIENT_SGIX: /* aka GL_TEXTURE_COMPARE_FAIL_VALUE_ARB */
if (ctx->Extensions.SGIX_shadow_ambient) {
*params = obj->ShadowAmbient;
}
else
error = 1;
break;
case GL_GENERATE_MIPMAP_SGIS:
if (ctx->Extensions.SGIS_generate_mipmap) {
*params = (GLfloat) obj->GenerateMipmap;
}
else
error = 1;
break;
case GL_TEXTURE_COMPARE_MODE_ARB:
if (ctx->Extensions.ARB_shadow) {
*params = (GLfloat) obj->CompareMode;
}
else
error = 1;
break;
case GL_TEXTURE_COMPARE_FUNC_ARB:
if (ctx->Extensions.ARB_shadow) {
*params = (GLfloat) obj->CompareFunc;
}
else
error = 1;
break;
case GL_DEPTH_TEXTURE_MODE_ARB:
if (ctx->Extensions.ARB_depth_texture) {
*params = (GLfloat) obj->DepthMode;
}
else
error = 1;
break;
case GL_TEXTURE_LOD_BIAS:
if (ctx->Extensions.EXT_texture_lod_bias) {
*params = obj->LodBias;
}
else
error = 1;
break;
#ifdef FEATURE_OES_draw_texture
case GL_TEXTURE_CROP_RECT_OES:
params[0] = obj->CropRect[0];
params[1] = obj->CropRect[1];
params[2] = obj->CropRect[2];
params[3] = obj->CropRect[3];
break;
#endif
default:
error = 1;
break;
}
if (error)
_mesa_error(ctx, GL_INVALID_ENUM, "glGetTexParameterfv(pname=0x%x)",
pname);
_mesa_unlock_texture(ctx, obj);
}
void GLAPIENTRY
_mesa_GetTexParameteriv( GLenum target, GLenum pname, GLint *params )
{
struct gl_texture_object *obj;
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END(ctx);
obj = get_texobj(ctx, target, GL_TRUE);
if (!obj)
return;
_mesa_lock_texture(ctx, obj);
switch (pname) {
case GL_TEXTURE_MAG_FILTER:
*params = (GLint) obj->Sampler.MagFilter;
break;;
case GL_TEXTURE_MIN_FILTER:
*params = (GLint) obj->Sampler.MinFilter;
break;;
case GL_TEXTURE_WRAP_S:
*params = (GLint) obj->Sampler.WrapS;
break;;
case GL_TEXTURE_WRAP_T:
*params = (GLint) obj->Sampler.WrapT;
break;;
case GL_TEXTURE_WRAP_R:
*params = (GLint) obj->Sampler.WrapR;
break;;
case GL_TEXTURE_BORDER_COLOR:
{
GLfloat b[4];
b[0] = CLAMP(obj->Sampler.BorderColor.f[0], 0.0F, 1.0F);
b[1] = CLAMP(obj->Sampler.BorderColor.f[1], 0.0F, 1.0F);
b[2] = CLAMP(obj->Sampler.BorderColor.f[2], 0.0F, 1.0F);
b[3] = CLAMP(obj->Sampler.BorderColor.f[3], 0.0F, 1.0F);
params[0] = FLOAT_TO_INT(b[0]);
params[1] = FLOAT_TO_INT(b[1]);
params[2] = FLOAT_TO_INT(b[2]);
params[3] = FLOAT_TO_INT(b[3]);
}
break;;
case GL_TEXTURE_RESIDENT:
*params = 1;
break;;
case GL_TEXTURE_PRIORITY:
*params = FLOAT_TO_INT(obj->Priority);
break;
case GL_TEXTURE_MAX_ANISOTROPY_EXT:
if (!ctx->Extensions.EXT_texture_filter_anisotropic)
goto invalid_pname;
*params = (GLint) obj->Sampler.MaxAnisotropy;
break;
case GL_TEXTURE_IMMUTABLE_FORMAT:
if (!ctx->Extensions.ARB_texture_storage)
goto invalid_pname;
*params = (GLint) obj->Immutable;
break;
default:
goto invalid_pname;
}
/* no error if we get here */
_mesa_unlock_texture(ctx, obj);
return;
invalid_pname:
_mesa_unlock_texture(ctx, obj);
_mesa_error(ctx, GL_INVALID_ENUM, "glGetTexParameteriv(pname=0x%x)", pname);
}
void GLAPIENTRY
_mesa_GetTexParameterfv( GLenum target, GLenum pname, GLfloat *params )
{
struct gl_texture_object *obj;
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END(ctx);
obj = get_texobj(ctx, target, GL_TRUE);
if (!obj)
return;
_mesa_lock_texture(ctx, obj);
switch (pname) {
case GL_TEXTURE_MAG_FILTER:
*params = ENUM_TO_FLOAT(obj->Sampler.MagFilter);
break;
case GL_TEXTURE_MIN_FILTER:
*params = ENUM_TO_FLOAT(obj->Sampler.MinFilter);
break;
case GL_TEXTURE_WRAP_S:
*params = ENUM_TO_FLOAT(obj->Sampler.WrapS);
break;
case GL_TEXTURE_WRAP_T:
*params = ENUM_TO_FLOAT(obj->Sampler.WrapT);
break;
case GL_TEXTURE_WRAP_R:
*params = ENUM_TO_FLOAT(obj->Sampler.WrapR);
break;
case GL_TEXTURE_BORDER_COLOR:
if (ctx->NewState & _NEW_BUFFERS)
_mesa_update_state_locked(ctx);
params[0] = obj->Sampler.BorderColor.f[0];
params[1] = obj->Sampler.BorderColor.f[1];
params[2] = obj->Sampler.BorderColor.f[2];
params[3] = obj->Sampler.BorderColor.f[3];
break;
case GL_TEXTURE_RESIDENT:
*params = 1.0F;
break;
case GL_TEXTURE_PRIORITY:
*params = obj->Priority;
break;
case GL_TEXTURE_MAX_ANISOTROPY_EXT:
if (!ctx->Extensions.EXT_texture_filter_anisotropic)
goto invalid_pname;
*params = obj->Sampler.MaxAnisotropy;
break;
case GL_TEXTURE_IMMUTABLE_FORMAT:
if (!ctx->Extensions.ARB_texture_storage)
goto invalid_pname;
*params = (GLfloat) obj->Immutable;
break;
default:
goto invalid_pname;
}
/* no error if we get here */
_mesa_unlock_texture(ctx, obj);
return;
invalid_pname:
_mesa_unlock_texture(ctx, obj);
_mesa_error(ctx, GL_INVALID_ENUM, "glGetTexParameterfv(pname=0x%x)", pname);
}
void GLAPIENTRY
_mesa_GetTexParameteriv( GLenum target, GLenum pname, GLint *params )
{
struct gl_texture_object *obj;
GLboolean error = GL_FALSE;
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END(ctx);
obj = get_texobj(ctx, target, GL_TRUE);
if (!obj)
return;
_mesa_lock_texture(ctx, obj);
switch (pname) {
case GL_TEXTURE_MAG_FILTER:
*params = (GLint) obj->Sampler.MagFilter;
break;;
case GL_TEXTURE_MIN_FILTER:
*params = (GLint) obj->Sampler.MinFilter;
break;;
case GL_TEXTURE_WRAP_S:
*params = (GLint) obj->Sampler.WrapS;
break;;
case GL_TEXTURE_WRAP_T:
*params = (GLint) obj->Sampler.WrapT;
break;;
case GL_TEXTURE_WRAP_R:
*params = (GLint) obj->Sampler.WrapR;
break;;
case GL_TEXTURE_BORDER_COLOR:
{
GLfloat b[4];
b[0] = CLAMP(obj->Sampler.BorderColor.f[0], 0.0F, 1.0F);
b[1] = CLAMP(obj->Sampler.BorderColor.f[1], 0.0F, 1.0F);
b[2] = CLAMP(obj->Sampler.BorderColor.f[2], 0.0F, 1.0F);
b[3] = CLAMP(obj->Sampler.BorderColor.f[3], 0.0F, 1.0F);
params[0] = FLOAT_TO_INT(b[0]);
params[1] = FLOAT_TO_INT(b[1]);
params[2] = FLOAT_TO_INT(b[2]);
params[3] = FLOAT_TO_INT(b[3]);
}
break;;
case GL_TEXTURE_RESIDENT:
{
GLboolean resident;
if (ctx->Driver.IsTextureResident)
resident = ctx->Driver.IsTextureResident(ctx, obj);
else
resident = GL_TRUE;
*params = (GLint) resident;
}
break;;
case GL_TEXTURE_PRIORITY:
*params = FLOAT_TO_INT(obj->Priority);
break;;
case GL_TEXTURE_MIN_LOD:
*params = (GLint) obj->Sampler.MinLod;
break;;
case GL_TEXTURE_MAX_LOD:
*params = (GLint) obj->Sampler.MaxLod;
break;;
case GL_TEXTURE_BASE_LEVEL:
*params = obj->BaseLevel;
break;;
case GL_TEXTURE_MAX_LEVEL:
*params = obj->MaxLevel;
break;;
case GL_TEXTURE_MAX_ANISOTROPY_EXT:
if (ctx->Extensions.EXT_texture_filter_anisotropic) {
*params = (GLint) obj->Sampler.MaxAnisotropy;
}
else {
error = GL_TRUE;
}
break;
case GL_TEXTURE_COMPARE_FAIL_VALUE_ARB:
if (ctx->Extensions.ARB_shadow_ambient) {
*params = (GLint) FLOAT_TO_INT(obj->Sampler.CompareFailValue);
}
else {
error = GL_TRUE;
}
break;
case GL_GENERATE_MIPMAP_SGIS:
*params = (GLint) obj->GenerateMipmap;
break;
case GL_TEXTURE_COMPARE_MODE_ARB:
if (ctx->Extensions.ARB_shadow) {
*params = (GLint) obj->Sampler.CompareMode;
}
else {
error = GL_TRUE;
}
break;
case GL_TEXTURE_COMPARE_FUNC_ARB:
if (ctx->Extensions.ARB_shadow) {
*params = (GLint) obj->Sampler.CompareFunc;
}
else {
error = GL_TRUE;
}
break;
case GL_DEPTH_TEXTURE_MODE_ARB:
if (ctx->Extensions.ARB_depth_texture) {
*params = (GLint) obj->Sampler.DepthMode;
}
else {
error = GL_TRUE;
}
break;
case GL_TEXTURE_LOD_BIAS:
if (ctx->Extensions.EXT_texture_lod_bias) {
*params = (GLint) obj->Sampler.LodBias;
}
else {
error = GL_TRUE;
}
break;
#if FEATURE_OES_draw_texture
case GL_TEXTURE_CROP_RECT_OES:
params[0] = obj->CropRect[0];
params[1] = obj->CropRect[1];
params[2] = obj->CropRect[2];
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;
case GL_TEXTURE_CUBE_MAP_SEAMLESS:
if (ctx->Extensions.AMD_seamless_cubemap_per_texture) {
*params = (GLint) obj->Sampler.CubeMapSeamless;
}
else {
error = GL_TRUE;
}
break;
default:
; /* silence warnings */
}
if (error)
_mesa_error(ctx, GL_INVALID_ENUM, "glGetTexParameteriv(pname=0x%x)",
pname);
_mesa_unlock_texture(ctx, obj);
}
void r300SetTexBuffer2(__DRIcontext *pDRICtx, GLint target, GLint glx_texture_format, __DRIdrawable *dPriv)
{
struct gl_texture_unit *texUnit;
struct gl_texture_object *texObj;
struct gl_texture_image *texImage;
struct radeon_renderbuffer *rb;
radeon_texture_image *rImage;
radeonContextPtr radeon;
r300ContextPtr rmesa;
struct radeon_framebuffer *rfb;
radeonTexObjPtr t;
uint32_t pitch_val;
uint32_t internalFormat, type, format;
type = GL_BGRA;
format = GL_UNSIGNED_BYTE;
internalFormat = (glx_texture_format == GLX_TEXTURE_FORMAT_RGB_EXT ? 3 : 4);
radeon = pDRICtx->driverPrivate;
rmesa = pDRICtx->driverPrivate;
rfb = dPriv->driverPrivate;
texUnit = &radeon->glCtx->Texture.Unit[radeon->glCtx->Texture.CurrentUnit];
texObj = _mesa_select_tex_object(radeon->glCtx, texUnit, target);
texImage = _mesa_get_tex_image(radeon->glCtx, texObj, target, 0);
rImage = get_radeon_texture_image(texImage);
t = radeon_tex_obj(texObj);
if (t == NULL) {
return;
}
radeon_update_renderbuffers(pDRICtx, dPriv);
/* back & depth buffer are useless free them right away */
rb = (void*)rfb->base.Attachment[BUFFER_DEPTH].Renderbuffer;
if (rb && rb->bo) {
radeon_bo_unref(rb->bo);
rb->bo = NULL;
}
rb = (void*)rfb->base.Attachment[BUFFER_BACK_LEFT].Renderbuffer;
if (rb && rb->bo) {
radeon_bo_unref(rb->bo);
rb->bo = NULL;
}
rb = rfb->color_rb[0];
if (rb->bo == NULL) {
/* Failed to BO for the buffer */
return;
}
_mesa_lock_texture(radeon->glCtx, texObj);
if (t->bo) {
radeon_bo_unref(t->bo);
t->bo = NULL;
}
if (rImage->bo) {
radeon_bo_unref(rImage->bo);
rImage->bo = NULL;
}
radeon_miptree_unreference(&t->mt);
radeon_miptree_unreference(&rImage->mt);
_mesa_init_teximage_fields(radeon->glCtx, target, texImage,
rb->base.Width, rb->base.Height, 1, 0, rb->cpp);
texImage->RowStride = rb->pitch / rb->cpp;
rImage->bo = rb->bo;
radeon_bo_ref(rImage->bo);
t->bo = rb->bo;
radeon_bo_ref(t->bo);
t->tile_bits = 0;
t->image_override = GL_TRUE;
t->override_offset = 0;
t->pp_txpitch &= (1 << 13) -1;
pitch_val = rb->pitch;
switch (rb->cpp) {
case 4:
if (glx_texture_format == GLX_TEXTURE_FORMAT_RGB_EXT)
t->pp_txformat = R300_EASY_TX_FORMAT(X, Y, Z, ONE, W8Z8Y8X8);
else
t->pp_txformat = R300_EASY_TX_FORMAT(X, Y, Z, W, W8Z8Y8X8);
t->pp_txfilter |= tx_table[2].filter;
pitch_val /= 4;
break;
case 3:
default:
t->pp_txformat = R300_EASY_TX_FORMAT(X, Y, Z, ONE, W8Z8Y8X8);
t->pp_txfilter |= tx_table[4].filter;
pitch_val /= 4;
break;
case 2:
t->pp_txformat = R300_EASY_TX_FORMAT(X, Y, Z, ONE, Z5Y6X5);
t->pp_txfilter |= tx_table[5].filter;
pitch_val /= 2;
break;
}
pitch_val--;
t->pp_txsize = (((R300_TX_WIDTHMASK_MASK & ((rb->base.Width - 1) << R300_TX_WIDTHMASK_SHIFT)))
| ((R300_TX_HEIGHTMASK_MASK & ((rb->base.Height - 1) << R300_TX_HEIGHTMASK_SHIFT))));
t->pp_txsize |= R300_TX_SIZE_TXPITCH_EN;
t->pp_txpitch |= pitch_val;
if (rmesa->radeon.radeonScreen->chip_family >= CHIP_FAMILY_RV515) {
if (rb->base.Width > 2048)
t->pp_txpitch |= R500_TXWIDTH_BIT11;
else
t->pp_txpitch &= ~R500_TXWIDTH_BIT11;
if (rb->base.Height > 2048)
t->pp_txpitch |= R500_TXHEIGHT_BIT11;
else
t->pp_txpitch &= ~R500_TXHEIGHT_BIT11;
}
t->validated = GL_TRUE;
_mesa_unlock_texture(radeon->glCtx, texObj);
return;
}
void GLAPIENTRY
_mesa_GetTexParameteriv( GLenum target, GLenum pname, GLint *params )
{
struct gl_texture_object *obj;
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END(ctx);
obj = get_texobj(ctx, target, GL_TRUE);
if (!obj)
return;
_mesa_lock_texture(ctx, obj);
switch (pname) {
case GL_TEXTURE_MAG_FILTER:
*params = (GLint) obj->Sampler.MagFilter;
break;
case GL_TEXTURE_MIN_FILTER:
*params = (GLint) obj->Sampler.MinFilter;
break;
case GL_TEXTURE_WRAP_S:
*params = (GLint) obj->Sampler.WrapS;
break;
case GL_TEXTURE_WRAP_T:
*params = (GLint) obj->Sampler.WrapT;
break;
case GL_TEXTURE_WRAP_R:
*params = (GLint) obj->Sampler.WrapR;
break;
case GL_TEXTURE_BORDER_COLOR:
{
GLfloat b[4];
b[0] = CLAMP(obj->Sampler.BorderColor.f[0], 0.0F, 1.0F);
b[1] = CLAMP(obj->Sampler.BorderColor.f[1], 0.0F, 1.0F);
b[2] = CLAMP(obj->Sampler.BorderColor.f[2], 0.0F, 1.0F);
b[3] = CLAMP(obj->Sampler.BorderColor.f[3], 0.0F, 1.0F);
params[0] = FLOAT_TO_INT(b[0]);
params[1] = FLOAT_TO_INT(b[1]);
params[2] = FLOAT_TO_INT(b[2]);
params[3] = FLOAT_TO_INT(b[3]);
}
break;
case GL_TEXTURE_RESIDENT:
*params = 1;
break;
case GL_TEXTURE_PRIORITY:
*params = FLOAT_TO_INT(obj->Priority);
break;
case GL_TEXTURE_MIN_LOD:
*params = (GLint) obj->Sampler.MinLod;
break;
case GL_TEXTURE_MAX_LOD:
*params = (GLint) obj->Sampler.MaxLod;
break;
case GL_TEXTURE_BASE_LEVEL:
*params = obj->BaseLevel;
break;
case GL_TEXTURE_MAX_LEVEL:
*params = obj->MaxLevel;
break;
case GL_TEXTURE_MAX_ANISOTROPY_EXT:
if (!ctx->Extensions.EXT_texture_filter_anisotropic)
goto invalid_pname;
*params = (GLint) obj->Sampler.MaxAnisotropy;
break;
case GL_TEXTURE_COMPARE_FAIL_VALUE_ARB:
if (!ctx->Extensions.ARB_shadow_ambient)
goto invalid_pname;
*params = (GLint) FLOAT_TO_INT(obj->Sampler.CompareFailValue);
break;
case GL_GENERATE_MIPMAP_SGIS:
*params = (GLint) obj->GenerateMipmap;
break;
case GL_TEXTURE_COMPARE_MODE_ARB:
if (!ctx->Extensions.ARB_shadow)
goto invalid_pname;
*params = (GLint) obj->Sampler.CompareMode;
break;
case GL_TEXTURE_COMPARE_FUNC_ARB:
if (!ctx->Extensions.ARB_shadow)
goto invalid_pname;
*params = (GLint) obj->Sampler.CompareFunc;
break;
case GL_DEPTH_TEXTURE_MODE_ARB:
if (!ctx->Extensions.ARB_depth_texture)
goto invalid_pname;
*params = (GLint) obj->DepthMode;
break;
case GL_TEXTURE_LOD_BIAS:
*params = (GLint) obj->Sampler.LodBias;
break;
#if FEATURE_OES_draw_texture
case GL_TEXTURE_CROP_RECT_OES:
params[0] = obj->CropRect[0];
params[1] = obj->CropRect[1];
params[2] = obj->CropRect[2];
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)
goto invalid_pname;
*params = obj->Swizzle[pname - GL_TEXTURE_SWIZZLE_R_EXT];
break;
case GL_TEXTURE_SWIZZLE_RGBA_EXT:
if (!ctx->Extensions.EXT_texture_swizzle)
goto invalid_pname;
COPY_4V(params, obj->Swizzle);
break;
case GL_TEXTURE_CUBE_MAP_SEAMLESS:
if (!ctx->Extensions.AMD_seamless_cubemap_per_texture)
goto invalid_pname;
*params = (GLint) obj->Sampler.CubeMapSeamless;
break;
case GL_TEXTURE_IMMUTABLE_FORMAT:
if (!ctx->Extensions.ARB_texture_storage)
goto invalid_pname;
*params = (GLint) obj->Immutable;
break;
case GL_REQUIRED_TEXTURE_IMAGE_UNITS_OES:
if (!ctx->Extensions.OES_EGL_image_external)
goto invalid_pname;
*params = obj->RequiredTextureImageUnits;
break;
default:
goto invalid_pname;
}
/* no error if we get here */
_mesa_unlock_texture(ctx, obj);
return;
invalid_pname:
_mesa_unlock_texture(ctx, obj);
_mesa_error(ctx, GL_INVALID_ENUM, "glGetTexParameteriv(pname=0x%x)", pname);
}
static boolean
st_context_teximage(struct st_context_iface *stctxi,
enum st_texture_type tex_type,
int level, enum pipe_format pipe_format,
struct pipe_resource *tex, boolean mipmap)
{
struct st_context *st = (struct st_context *) stctxi;
struct gl_context *ctx = st->ctx;
struct gl_texture_unit *texUnit = _mesa_get_current_tex_unit(ctx);
struct gl_texture_object *texObj;
struct gl_texture_image *texImage;
struct st_texture_object *stObj;
struct st_texture_image *stImage;
GLenum internalFormat;
GLuint width, height, depth;
GLenum target;
switch (tex_type) {
case ST_TEXTURE_1D:
target = GL_TEXTURE_1D;
break;
case ST_TEXTURE_2D:
target = GL_TEXTURE_2D;
break;
case ST_TEXTURE_3D:
target = GL_TEXTURE_3D;
break;
case ST_TEXTURE_RECT:
target = GL_TEXTURE_RECTANGLE_ARB;
break;
default:
return FALSE;
}
texObj = _mesa_select_tex_object(ctx, texUnit, target);
_mesa_lock_texture(ctx, texObj);
stObj = st_texture_object(texObj);
/* switch to surface based */
if (!stObj->surface_based) {
_mesa_clear_texture_object(ctx, texObj);
stObj->surface_based = GL_TRUE;
}
texImage = _mesa_get_tex_image(ctx, texObj, target, level);
stImage = st_texture_image(texImage);
if (tex) {
gl_format texFormat = st_pipe_format_to_mesa_format(pipe_format);
if (util_format_has_alpha(tex->format))
internalFormat = GL_RGBA;
else
internalFormat = GL_RGB;
_mesa_init_teximage_fields(ctx, texImage,
tex->width0, tex->height0, 1, 0,
internalFormat, texFormat);
width = tex->width0;
height = tex->height0;
depth = tex->depth0;
/* grow the image size until we hit level = 0 */
while (level > 0) {
if (width != 1)
width <<= 1;
if (height != 1)
height <<= 1;
if (depth != 1)
depth <<= 1;
level--;
}
}
else {
_mesa_clear_texture_image(ctx, texImage);
width = height = depth = 0;
}
pipe_resource_reference(&stImage->pt, tex);
stObj->width0 = width;
stObj->height0 = height;
stObj->depth0 = depth;
stObj->surface_format = pipe_format;
_mesa_dirty_texobj(ctx, texObj, GL_TRUE);
_mesa_unlock_texture(ctx, texObj);
return TRUE;
}
void GLAPIENTRY
_mesa_GetTexLevelParameteriv( GLenum target, GLint level,
GLenum pname, GLint *params )
{
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);
ASSERT_OUTSIDE_BEGIN_END(ctx);
if (ctx->Texture.CurrentUnit >= ctx->Const.MaxTextureImageUnits) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glGetTexLevelParameteriv(current unit)");
return;
}
texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
/* 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");
return;
}
if (level < 0 || level >= maxLevels) {
_mesa_error( ctx, GL_INVALID_VALUE, "glGetTexLevelParameter[if]v" );
return;
}
texObj = _mesa_select_tex_object(ctx, texUnit, target);
_mesa_lock_texture(ctx, texObj);
img = _mesa_select_tex_image(ctx, texObj, target, level);
if (!img || !img->TexFormat) {
/* undefined texture image */
if (pname == GL_TEXTURE_COMPONENTS)
*params = 1;
else
*params = 0;
goto out;
}
isProxy = _mesa_is_proxy_texture(target);
switch (pname) {
case GL_TEXTURE_WIDTH:
*params = img->Width;
break;
case GL_TEXTURE_HEIGHT:
*params = img->Height;
break;
case GL_TEXTURE_DEPTH:
*params = img->Depth;
break;
case GL_TEXTURE_INTERNAL_FORMAT:
*params = img->InternalFormat;
break;
case GL_TEXTURE_BORDER:
*params = img->Border;
break;
case GL_TEXTURE_RED_SIZE:
if (img->_BaseFormat == GL_RGB || img->_BaseFormat == GL_RGBA)
*params = img->TexFormat->RedBits;
else
*params = 0;
break;
case GL_TEXTURE_GREEN_SIZE:
if (img->_BaseFormat == GL_RGB || img->_BaseFormat == GL_RGBA)
*params = img->TexFormat->GreenBits;
else
*params = 0;
break;
case GL_TEXTURE_BLUE_SIZE:
if (img->_BaseFormat == GL_RGB || img->_BaseFormat == GL_RGBA)
*params = img->TexFormat->BlueBits;
else
*params = 0;
break;
case GL_TEXTURE_ALPHA_SIZE:
if (img->_BaseFormat == GL_ALPHA ||
img->_BaseFormat == GL_LUMINANCE_ALPHA ||
img->_BaseFormat == GL_RGBA)
*params = img->TexFormat->AlphaBits;
else
*params = 0;
break;
case GL_TEXTURE_INTENSITY_SIZE:
if (img->_BaseFormat != GL_INTENSITY)
*params = 0;
else if (img->TexFormat->IntensityBits > 0)
*params = img->TexFormat->IntensityBits;
else /* intensity probably stored as rgb texture */
*params = MIN2(img->TexFormat->RedBits, img->TexFormat->GreenBits);
break;
case GL_TEXTURE_LUMINANCE_SIZE:
if (img->_BaseFormat != GL_LUMINANCE &&
img->_BaseFormat != GL_LUMINANCE_ALPHA)
*params = 0;
else if (img->TexFormat->LuminanceBits > 0)
*params = img->TexFormat->LuminanceBits;
else /* luminance probably stored as rgb texture */
*params = MIN2(img->TexFormat->RedBits, img->TexFormat->GreenBits);
break;
case GL_TEXTURE_INDEX_SIZE_EXT:
if (img->_BaseFormat == GL_COLOR_INDEX)
*params = img->TexFormat->IndexBits;
else
*params = 0;
break;
case GL_TEXTURE_DEPTH_SIZE_ARB:
if (ctx->Extensions.ARB_depth_texture)
*params = img->TexFormat->DepthBits;
else
_mesa_error(ctx, GL_INVALID_ENUM,
"glGetTexLevelParameter[if]v(pname)");
break;
case GL_TEXTURE_STENCIL_SIZE_EXT:
if (ctx->Extensions.EXT_packed_depth_stencil) {
*params = img->TexFormat->StencilBits;
}
else {
_mesa_error(ctx, GL_INVALID_ENUM,
"glGetTexLevelParameter[if]v(pname)");
}
break;
/* 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)");
}
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)");
}
break;
/* GL_ARB_texture_float */
case GL_TEXTURE_RED_TYPE_ARB:
if (ctx->Extensions.ARB_texture_float) {
*params = img->TexFormat->RedBits ? img->TexFormat->DataType : GL_NONE;
}
else {
_mesa_error(ctx, GL_INVALID_ENUM,
"glGetTexLevelParameter[if]v(pname)");
}
break;
case GL_TEXTURE_GREEN_TYPE_ARB:
if (ctx->Extensions.ARB_texture_float) {
*params = img->TexFormat->GreenBits ? img->TexFormat->DataType : GL_NONE;
}
else {
_mesa_error(ctx, GL_INVALID_ENUM,
"glGetTexLevelParameter[if]v(pname)");
}
break;
case GL_TEXTURE_BLUE_TYPE_ARB:
if (ctx->Extensions.ARB_texture_float) {
*params = img->TexFormat->BlueBits ? img->TexFormat->DataType : GL_NONE;
}
else {
_mesa_error(ctx, GL_INVALID_ENUM,
"glGetTexLevelParameter[if]v(pname)");
}
break;
case GL_TEXTURE_ALPHA_TYPE_ARB:
if (ctx->Extensions.ARB_texture_float) {
*params = img->TexFormat->AlphaBits ? img->TexFormat->DataType : GL_NONE;
}
else {
_mesa_error(ctx, GL_INVALID_ENUM,
"glGetTexLevelParameter[if]v(pname)");
}
break;
case GL_TEXTURE_LUMINANCE_TYPE_ARB:
if (ctx->Extensions.ARB_texture_float) {
*params = img->TexFormat->LuminanceBits ? img->TexFormat->DataType : GL_NONE;
}
else {
_mesa_error(ctx, GL_INVALID_ENUM,
"glGetTexLevelParameter[if]v(pname)");
}
break;
case GL_TEXTURE_INTENSITY_TYPE_ARB:
if (ctx->Extensions.ARB_texture_float) {
*params = img->TexFormat->IntensityBits ? img->TexFormat->DataType : GL_NONE;
}
else {
_mesa_error(ctx, GL_INVALID_ENUM,
"glGetTexLevelParameter[if]v(pname)");
}
break;
case GL_TEXTURE_DEPTH_TYPE_ARB:
if (ctx->Extensions.ARB_texture_float) {
*params = img->TexFormat->DepthBits ? img->TexFormat->DataType : GL_NONE;
}
else {
_mesa_error(ctx, GL_INVALID_ENUM,
"glGetTexLevelParameter[if]v(pname)");
}
break;
default:
_mesa_error(ctx, GL_INVALID_ENUM,
"glGetTexLevelParameter[if]v(pname)");
}
out:
_mesa_unlock_texture(ctx, texObj);
}
static boolean
st_context_teximage(struct st_context_iface *stctxi,
enum st_texture_type target,
int level, enum pipe_format internal_format,
struct pipe_resource *tex, boolean mipmap)
{
struct st_context *st = (struct st_context *) stctxi;
struct gl_context *ctx = st->ctx;
struct gl_texture_unit *texUnit = _mesa_get_current_tex_unit(ctx);
struct gl_texture_object *texObj;
struct gl_texture_image *texImage;
struct st_texture_object *stObj;
struct st_texture_image *stImage;
GLenum internalFormat;
GLuint width, height, depth;
switch (target) {
case ST_TEXTURE_1D:
target = GL_TEXTURE_1D;
break;
case ST_TEXTURE_2D:
target = GL_TEXTURE_2D;
break;
case ST_TEXTURE_3D:
target = GL_TEXTURE_3D;
break;
case ST_TEXTURE_RECT:
target = GL_TEXTURE_RECTANGLE_ARB;
break;
default:
return FALSE;
break;
}
texObj = _mesa_select_tex_object(ctx, texUnit, target);
_mesa_lock_texture(ctx, texObj);
stObj = st_texture_object(texObj);
/* switch to surface based */
if (!stObj->surface_based) {
_mesa_clear_texture_object(ctx, texObj);
stObj->surface_based = GL_TRUE;
}
texImage = _mesa_get_tex_image(ctx, texObj, target, level);
stImage = st_texture_image(texImage);
if (tex) {
gl_format texFormat;
/*
* XXX When internal_format and tex->format differ, st_finalize_texture
* needs to allocate a new texture with internal_format and copy the
* texture here into the new one. It will result in surface_copy being
* called on surfaces whose formats differ.
*
* To avoid that, internal_format is (wrongly) ignored here. A sane fix
* is to use a sampler view.
*/
if (!st_sampler_compat_formats(tex->format, internal_format))
internal_format = tex->format;
if (util_format_get_component_bits(internal_format,
UTIL_FORMAT_COLORSPACE_RGB, 3) > 0)
internalFormat = GL_RGBA;
else
internalFormat = GL_RGB;
texFormat = st_ChooseTextureFormat(ctx, internalFormat,
GL_BGRA, GL_UNSIGNED_BYTE);
_mesa_init_teximage_fields(ctx, texImage,
tex->width0, tex->height0, 1, 0,
internalFormat, texFormat);
width = tex->width0;
height = tex->height0;
depth = tex->depth0;
/* grow the image size until we hit level = 0 */
while (level > 0) {
if (width != 1)
width <<= 1;
if (height != 1)
height <<= 1;
if (depth != 1)
depth <<= 1;
level--;
}
}
else {
_mesa_clear_texture_image(ctx, texImage);
width = height = depth = 0;
}
pipe_resource_reference(&stImage->pt, tex);
stObj->width0 = width;
stObj->height0 = height;
stObj->depth0 = depth;
_mesa_dirty_texobj(ctx, texObj, GL_TRUE);
_mesa_unlock_texture(ctx, texObj);
return TRUE;
}
/**
* Helper for _mesa_meta_CopyTexSubImage1/2/3D() functions.
* Have to be careful with locking and meta state for pixel transfer.
*/
static void
copy_tex_sub_image(struct gl_context *ctx,
GLuint dims,
struct gl_texture_image *texImage,
GLint xoffset, GLint yoffset, GLint zoffset,
struct gl_renderbuffer *rb,
GLint x, GLint y,
GLsizei width, GLsizei height)
{
struct gl_texture_object *texObj = texImage->TexObject;
const GLenum target = texObj->Target;
GLenum format, type;
GLint bpp;
void *buf;
/* Choose format/type for temporary image buffer */
format = _mesa_get_format_base_format(texImage->TexFormat);
if (format == GL_LUMINANCE ||
format == GL_LUMINANCE_ALPHA ||
format == GL_INTENSITY) {
/* We don't want to use GL_LUMINANCE, GL_INTENSITY, etc. for the
* temp image buffer because glReadPixels will do L=R+G+B which is
* not what we want (should be L=R).
*/
format = GL_RGBA;
}
if (_mesa_is_format_integer_color(texImage->TexFormat)) {
_mesa_problem(ctx, "unsupported integer color copyteximage");
return;
}
type = get_temp_image_type(ctx, format);
bpp = _mesa_bytes_per_pixel(format, type);
if (bpp <= 0) {
_mesa_problem(ctx, "Bad bpp in meta copy_tex_sub_image()");
return;
}
/*
* Alloc image buffer (XXX could use a PBO)
*/
buf = malloc(width * height * bpp);
if (!buf) {
_mesa_error(ctx, GL_OUT_OF_MEMORY, "glCopyTexSubImage%uD", dims);
return;
}
_mesa_unlock_texture(ctx, texObj); /* need to unlock first */
/*
* Read image from framebuffer (disable pixel transfer ops)
*/
_mesa_meta_begin(ctx, MESA_META_PIXEL_STORE | MESA_META_PIXEL_TRANSFER);
ctx->Driver.ReadPixels(ctx, x, y, width, height,
format, type, &ctx->Pack, buf);
_mesa_meta_end(ctx);
_mesa_update_state(ctx); /* to update pixel transfer state */
/*
* Store texture data (with pixel transfer ops)
*/
_mesa_meta_begin(ctx, MESA_META_PIXEL_STORE);
if (target == GL_TEXTURE_1D) {
ctx->Driver.TexSubImage1D(ctx, texImage,
xoffset, width,
format, type, buf, &ctx->Unpack);
}
else {
ctx->Driver.TexSubImage2D(ctx, texImage,
xoffset, yoffset, width, height,
format, type, buf, &ctx->Unpack);
}
_mesa_meta_end(ctx);
_mesa_lock_texture(ctx, texObj); /* re-lock */
free(buf);
}
