void
_mesa_meta_fb_tex_blit_end(struct gl_context *ctx, GLenum target,
struct fb_tex_blit_state *blit)
{
/* Restore texture object state, the texture binding will
* be restored by _mesa_meta_end().
*/
if (target != GL_TEXTURE_RECTANGLE_ARB) {
_mesa_TexParameteri(target, GL_TEXTURE_BASE_LEVEL, blit->baseLevelSave);
_mesa_TexParameteri(target, GL_TEXTURE_MAX_LEVEL, blit->maxLevelSave);
if (ctx->Extensions.ARB_stencil_texturing) {
const struct gl_texture_object *texObj =
_mesa_get_current_tex_object(ctx, target);
if (texObj->StencilSampling != blit->stencilSamplingSave)
_mesa_TexParameteri(target, GL_DEPTH_STENCIL_TEXTURE_MODE,
blit->stencilSamplingSave ?
GL_STENCIL_INDEX : GL_DEPTH_COMPONENT);
}
}
_mesa_BindSampler(ctx->Texture.CurrentUnit, blit->samplerSave);
_mesa_DeleteSamplers(1, &blit->sampler);
if (blit->tempTex)
_mesa_DeleteTextures(1, &blit->tempTex);
}
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);
}
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);
}
static GLboolean
st_TestProxyTexImage(struct gl_context *ctx, GLenum target,
GLint level, gl_format format,
GLint width, GLint height,
GLint depth, GLint border)
{
struct st_context *st = st_context(ctx);
struct pipe_context *pipe = st->pipe;
if (width == 0 || height == 0 || depth == 0) {
/* zero-sized images are legal, and always fit! */
return GL_TRUE;
}
if (pipe->screen->can_create_resource) {
/* Ask the gallium driver if the texture is too large */
struct gl_texture_object *texObj =
_mesa_get_current_tex_object(ctx, target);
struct pipe_resource pt;
/* Setup the pipe_resource object
*/
memset(&pt, 0, sizeof(pt));
pt.target = gl_target_to_pipe(target);
pt.format = st_mesa_format_to_pipe_format(format);
st_gl_texture_dims_to_pipe_dims(target,
width, height, depth,
&pt.width0, &pt.height0,
&pt.depth0, &pt.array_size);
if (level == 0 && (texObj->Sampler.MinFilter == GL_LINEAR ||
texObj->Sampler.MinFilter == GL_NEAREST)) {
/* assume just one mipmap level */
pt.last_level = 0;
}
else {
/* assume a full set of mipmaps */
pt.last_level = _mesa_logbase2(MAX3(width, height, depth));
}
return pipe->screen->can_create_resource(pipe->screen, &pt);
}
else {
/* Use core Mesa fallback */
return _mesa_test_proxy_teximage(ctx, target, level, format,
width, height, depth, border);
}
}
void glGetnCompressedTexImageARB(GLenum target, GLint level, GLsizei bufSize,
GLvoid *img)
{
struct gl_texture_object *texObj;
struct gl_texture_image *texImage;
GET_CURRENT_CONTEXT(ctx);
texObj = _mesa_get_current_tex_object(ctx, target);
if (!texObj)
return;
texImage = _mesa_select_tex_image(texObj, target, level);
if (!texImage)
return;
_mesa_get_compressed_texture_image(ctx, texObj, texImage, target, level,
bufSize, img, false);
}
/**
* 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);
}
/**
* 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 glGetnTexImageARB(GLenum target, GLint level, GLenum format,
GLenum type, GLsizei bufSize, GLvoid *pixels)
{
struct gl_texture_object *texObj;
struct gl_texture_image *texImage;
GLenum err;
GET_CURRENT_CONTEXT(ctx);
/*
* This has been moved here because a format/type mismatch can cause a NULL
* texImage object, which in turn causes the mismatch error to be
* ignored.
*/
err = _mesa_error_check_format_and_type(ctx, format, type);
if (err != GL_NO_ERROR) {
_mesa_error(ctx, err, "glGetnTexImage(format/type)");
return;
}
/*
* Legal target checking has been moved here to prevent exiting with a NULL
* texImage object.
*/
if (!legal_getteximage_target(ctx, target, false)) {
_mesa_error(ctx, GL_INVALID_ENUM, "glGetnTexImage(target=0x%x)",
target);
return;
}
texObj = _mesa_get_current_tex_object(ctx, target);
if (!texObj)
return;
texImage = _mesa_select_tex_image(texObj, target, level);
if (!texImage)
return;
_mesa_get_texture_image(ctx, texObj, texImage, target, level, format, type,
bufSize, pixels, false);
}
/**
* Helper used by _mesa_TexStorage1/2/3D().
*/
static void
texstorage(GLuint dims, GLenum target, GLsizei levels, GLenum internalformat,
GLsizei width, GLsizei height, GLsizei depth)
{
struct gl_texture_object *texObj;
GLboolean error;
GET_CURRENT_CONTEXT(ctx);
texObj = _mesa_get_current_tex_object(ctx, target);
error = tex_storage_error_check(ctx, dims, target, levels,
internalformat, width, height, depth);
if (!error) {
setup_texstorage(ctx, texObj, dims, levels, internalformat,
width, height, depth);
}
else if (_mesa_is_proxy_texture(target)) {
/* clear all image fields for [levels] */
clear_image_fields(ctx, dims, texObj);
}
}
/**
* Helper used by _mesa_TexStorage1/2/3D().
*/
static void
texstorage(GLuint dims, GLenum target, GLsizei levels, GLenum internalformat,
GLsizei width, GLsizei height, GLsizei depth, const char *caller)
{
struct gl_texture_object *texObj;
GET_CURRENT_CONTEXT(ctx);
/* Check target. This is done here so that texture_storage
* can receive unsized formats.
*/
if (!legal_texobj_target(ctx, dims, target)) {
_mesa_error(ctx, GL_INVALID_ENUM,
"%s(illegal target=%s)",
caller, _mesa_enum_to_string(target));
return;
}
if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE))
_mesa_debug(ctx, "%s %s %d %s %d %d %d\n", caller,
_mesa_enum_to_string(target), levels,
_mesa_enum_to_string(internalformat),
width, height, depth);
/* Check the format to make sure it is sized. */
if (!_mesa_is_legal_tex_storage_format(ctx, internalformat)) {
_mesa_error(ctx, GL_INVALID_ENUM,
"%s(internalformat = %s)", caller,
_mesa_enum_to_string(internalformat));
return;
}
texObj = _mesa_get_current_tex_object(ctx, target);
if (!texObj)
return;
texture_storage(ctx, dims, texObj, target, levels,
internalformat, width, height, depth, false);
}
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_object *texObj;
struct gl_texture_image *texImage;
struct swrast_texture_image *swImage;
uint32_t internalFormat;
mesa_format texFormat;
dri_ctx = pDRICtx->driverPrivate;
internalFormat = (texture_format == __DRI_TEXTURE_FORMAT_RGB ? 3 : 4);
texObj = _mesa_get_current_tex_object(&dri_ctx->Base, 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_B8G8R8X8_UNORM;
else
texFormat = MESA_FORMAT_B8G8R8A8_UNORM;
_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
_mesa_meta_fb_tex_blit_end(struct gl_context *ctx, GLenum target,
struct fb_tex_blit_state *blit)
{
struct gl_texture_object *const texObj =
_mesa_get_current_tex_object(ctx, target);
/* Restore texture object state, the texture binding will
* be restored by _mesa_meta_end().
*/
if (target != GL_TEXTURE_RECTANGLE_ARB) {
_mesa_texture_parameteriv(ctx, texObj, GL_TEXTURE_BASE_LEVEL,
&blit->baseLevelSave, false);
_mesa_texture_parameteriv(ctx, texObj, GL_TEXTURE_MAX_LEVEL,
&blit->maxLevelSave, false);
}
/* If ARB_stencil_texturing is not supported, the mode won't have changed. */
if (texObj->StencilSampling != blit->stencilSamplingSave) {
/* GLint so the compiler won't complain about type signedness mismatch
* in the call to _mesa_texture_parameteriv below.
*/
const GLint param = blit->stencilSamplingSave ?
GL_STENCIL_INDEX : GL_DEPTH_COMPONENT;
_mesa_texture_parameteriv(ctx, texObj, GL_DEPTH_STENCIL_TEXTURE_MODE,
¶m, false);
}
_mesa_bind_sampler(ctx, ctx->Texture.CurrentUnit, blit->samp_obj_save);
_mesa_reference_sampler_object(ctx, &blit->samp_obj_save, NULL);
_mesa_reference_sampler_object(ctx, &blit->samp_obj, NULL);
if (blit->tempTex)
_mesa_DeleteTextures(1, &blit->tempTex);
}
/**
* Do error checking for a glGetCompressedTexImage() call.
* \return GL_TRUE if any error, GL_FALSE if no errors.
*/
static GLboolean
getcompressedteximage_error_check(struct gl_context *ctx, GLenum target,
GLint level, GLsizei clientMemSize, GLvoid *img)
{
struct gl_texture_object *texObj;
struct gl_texture_image *texImage;
const GLint maxLevels = _mesa_max_texture_levels(ctx, target);
GLuint compressedSize;
if (!legal_getteximage_target(ctx, target)) {
_mesa_error(ctx, GL_INVALID_ENUM, "glGetCompressedTexImage(target=0x%x)",
target);
return GL_TRUE;
}
assert(maxLevels != 0);
if (level < 0 || level >= maxLevels) {
_mesa_error(ctx, GL_INVALID_VALUE,
"glGetCompressedTexImageARB(bad level = %d)", level);
return GL_TRUE;
}
texObj = _mesa_get_current_tex_object(ctx, target);
if (!texObj) {
_mesa_error(ctx, GL_INVALID_ENUM, "glGetCompressedTexImageARB(target)");
return GL_TRUE;
}
texImage = _mesa_select_tex_image(ctx, texObj, target, level);
if (!texImage) {
/* probably invalid mipmap level */
_mesa_error(ctx, GL_INVALID_VALUE,
"glGetCompressedTexImageARB(level)");
return GL_TRUE;
}
if (!_mesa_is_format_compressed(texImage->TexFormat)) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glGetCompressedTexImageARB(texture is not compressed)");
return GL_TRUE;
}
compressedSize = _mesa_format_image_size(texImage->TexFormat,
texImage->Width,
texImage->Height,
texImage->Depth);
if (!_mesa_is_bufferobj(ctx->Pack.BufferObj)) {
/* do bounds checking on writing to client memory */
if (clientMemSize < compressedSize) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glGetnCompressedTexImageARB(out of bounds access:"
" bufSize (%d) is too small)", clientMemSize);
return GL_TRUE;
}
} else {
/* do bounds checking on PBO write */
if ((const GLubyte *) img + compressedSize >
(const GLubyte *) ctx->Pack.BufferObj->Size) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glGetCompressedTexImage(out of bounds PBO access)");
return GL_TRUE;
}
/* make sure PBO is not mapped */
if (_mesa_bufferobj_mapped(ctx->Pack.BufferObj)) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glGetCompressedTexImage(PBO is mapped)");
return GL_TRUE;
}
}
return GL_FALSE;
}
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_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_get_current_tex_object(ctx, 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) {
mesa_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);
_mesa_unlock_texture(ctx, texObj);
return TRUE;
}
/**
* Do error checking for calls to glTexStorage1/2/3D().
* If an error is found, record it with _mesa_error(), unless the target
* is a proxy texture.
* \return GL_TRUE if any error, GL_FALSE otherwise.
*/
static GLboolean
tex_storage_error_check(struct gl_context *ctx, GLuint dims, GLenum target,
GLsizei levels, GLenum internalformat,
GLsizei width, GLsizei height, GLsizei depth)
{
const GLboolean isProxy = _mesa_is_proxy_texture(target);
struct gl_texture_object *texObj;
GLuint maxDim;
/* size check */
if (width < 1 || height < 1 || depth < 1) {
if (!isProxy) {
_mesa_error(ctx, GL_INVALID_VALUE,
"glTexStorage%uD(width, height or depth < 1)", dims);
}
return GL_TRUE;
}
/* levels check */
if (levels < 1 || height < 1 || depth < 1) {
if (!isProxy) {
_mesa_error(ctx, GL_INVALID_VALUE, "glTexStorage%uD(levels < 1)",
dims);
}
return GL_TRUE;
}
/* target check */
if (!legal_texobj_target(ctx, dims, target)) {
_mesa_error(ctx, GL_INVALID_ENUM,
"glTexStorage%uD(illegal target=%s)",
dims, _mesa_lookup_enum_by_nr(target));
return GL_TRUE;
}
/* check levels against maximum */
if (levels > _mesa_max_texture_levels(ctx, target)) {
if (!isProxy) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glTexStorage%uD(levels too large)", dims);
}
return GL_TRUE;
}
/* check levels against width/height/depth */
maxDim = MAX3(width, height, depth);
if (levels > _mesa_logbase2(maxDim) + 1) {
if (!isProxy) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glTexStorage%uD(too many levels for max texture dimension)",
dims);
}
return GL_TRUE;
}
/* non-default texture object check */
texObj = _mesa_get_current_tex_object(ctx, target);
if (!texObj || (texObj->Name == 0 && !isProxy)) {
if (!isProxy) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glTexStorage%uD(texture object 0)", dims);
}
return GL_TRUE;
}
/* Check if texObj->Immutable is set */
if (texObj->Immutable) {
if (!isProxy) {
_mesa_error(ctx, GL_INVALID_OPERATION, "glTexStorage%uD(immutable)",
dims);
}
return GL_TRUE;
}
return GL_FALSE;
}
/**
* Do error checking for a glGetTexImage() call.
* \return GL_TRUE if any error, GL_FALSE if no errors.
*/
static GLboolean
getteximage_error_check(GLcontext *ctx, GLenum target, GLint level,
GLenum format, GLenum type, GLvoid *pixels )
{
struct gl_texture_object *texObj;
struct gl_texture_image *texImage;
const GLuint maxLevels = _mesa_max_texture_levels(ctx, target);
GLenum baseFormat;
if (maxLevels == 0) {
_mesa_error(ctx, GL_INVALID_ENUM, "glGetTexImage(target=0x%x)", target);
return GL_TRUE;
}
if (level < 0 || level >= maxLevels) {
_mesa_error( ctx, GL_INVALID_VALUE, "glGetTexImage(level)" );
return GL_TRUE;
}
if (_mesa_sizeof_packed_type(type) <= 0) {
_mesa_error( ctx, GL_INVALID_ENUM, "glGetTexImage(type)" );
return GL_TRUE;
}
if (_mesa_components_in_format(format) <= 0 ||
format == GL_STENCIL_INDEX) {
_mesa_error( ctx, GL_INVALID_ENUM, "glGetTexImage(format)" );
return GL_TRUE;
}
if (!ctx->Extensions.EXT_paletted_texture && _mesa_is_index_format(format)) {
_mesa_error(ctx, GL_INVALID_ENUM, "glGetTexImage(format)");
return GL_TRUE;
}
if (!ctx->Extensions.ARB_depth_texture && _mesa_is_depth_format(format)) {
_mesa_error(ctx, GL_INVALID_ENUM, "glGetTexImage(format)");
return GL_TRUE;
}
if (!ctx->Extensions.MESA_ycbcr_texture && _mesa_is_ycbcr_format(format)) {
_mesa_error(ctx, GL_INVALID_ENUM, "glGetTexImage(format)");
return GL_TRUE;
}
if (!ctx->Extensions.EXT_packed_depth_stencil
&& _mesa_is_depthstencil_format(format)) {
_mesa_error(ctx, GL_INVALID_ENUM, "glGetTexImage(format)");
return GL_TRUE;
}
if (!ctx->Extensions.ATI_envmap_bumpmap
&& _mesa_is_dudv_format(format)) {
_mesa_error(ctx, GL_INVALID_ENUM, "glGetTexImage(format)");
return GL_TRUE;
}
texObj = _mesa_get_current_tex_object(ctx, target);
if (!texObj || _mesa_is_proxy_texture(target)) {
_mesa_error(ctx, GL_INVALID_ENUM, "glGetTexImage(target)");
return GL_TRUE;
}
texImage = _mesa_select_tex_image(ctx, texObj, target, level);
if (!texImage) {
/* out of memory */
return GL_TRUE;
}
baseFormat = _mesa_get_format_base_format(texImage->TexFormat);
/* Make sure the requested image format is compatible with the
* texture's format. Note that a color index texture can be converted
* to RGBA so that combo is allowed.
*/
if (_mesa_is_color_format(format)
&& !_mesa_is_color_format(baseFormat)
&& !_mesa_is_index_format(baseFormat)) {
_mesa_error(ctx, GL_INVALID_OPERATION, "glGetTexImage(format mismatch)");
return GL_TRUE;
}
else if (_mesa_is_index_format(format)
&& !_mesa_is_index_format(baseFormat)) {
_mesa_error(ctx, GL_INVALID_OPERATION, "glGetTexImage(format mismatch)");
return GL_TRUE;
}
else if (_mesa_is_depth_format(format)
&& !_mesa_is_depth_format(baseFormat)
&& !_mesa_is_depthstencil_format(baseFormat)) {
_mesa_error(ctx, GL_INVALID_OPERATION, "glGetTexImage(format mismatch)");
return GL_TRUE;
}
else if (_mesa_is_ycbcr_format(format)
&& !_mesa_is_ycbcr_format(baseFormat)) {
_mesa_error(ctx, GL_INVALID_OPERATION, "glGetTexImage(format mismatch)");
return GL_TRUE;
}
else if (_mesa_is_depthstencil_format(format)
&& !_mesa_is_depthstencil_format(baseFormat)) {
_mesa_error(ctx, GL_INVALID_OPERATION, "glGetTexImage(format mismatch)");
return GL_TRUE;
}
else if (_mesa_is_dudv_format(format)
&& !_mesa_is_dudv_format(baseFormat)) {
_mesa_error(ctx, GL_INVALID_OPERATION, "glGetTexImage(format mismatch)");
return GL_TRUE;
}
if (_mesa_is_bufferobj(ctx->Pack.BufferObj)) {
/* packing texture image into a PBO */
const GLuint dimensions = (target == GL_TEXTURE_3D) ? 3 : 2;
if (!_mesa_validate_pbo_access(dimensions, &ctx->Pack, texImage->Width,
texImage->Height, texImage->Depth,
format, type, pixels)) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glGetTexImage(out of bounds PBO write)");
return GL_TRUE;
}
/* PBO should not be mapped */
if (_mesa_bufferobj_mapped(ctx->Pack.BufferObj)) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glGetTexImage(PBO is mapped)");
return GL_TRUE;
}
}
return GL_FALSE;
}
/**
* Do error checking for a glGetCompressedTexImage() call.
* \return GL_TRUE if any error, GL_FALSE if no errors.
*/
static GLboolean
getcompressedteximage_error_check(GLcontext *ctx, GLenum target, GLint level,
GLvoid *img)
{
struct gl_texture_object *texObj;
struct gl_texture_image *texImage;
const GLuint maxLevels = _mesa_max_texture_levels(ctx, target);
if (maxLevels == 0) {
_mesa_error(ctx, GL_INVALID_ENUM, "glGetCompressedTexImage(target=0x%x)",
target);
return GL_TRUE;
}
if (level < 0 || level >= maxLevels) {
_mesa_error(ctx, GL_INVALID_VALUE,
"glGetCompressedTexImageARB(bad level = %d)", level);
return GL_TRUE;
}
if (_mesa_is_proxy_texture(target)) {
_mesa_error(ctx, GL_INVALID_ENUM,
"glGetCompressedTexImageARB(bad target = %s)",
_mesa_lookup_enum_by_nr(target));
return GL_TRUE;
}
texObj = _mesa_get_current_tex_object(ctx, target);
if (!texObj) {
_mesa_error(ctx, GL_INVALID_ENUM, "glGetCompressedTexImageARB(target)");
return GL_TRUE;
}
texImage = _mesa_select_tex_image(ctx, texObj, target, level);
if (!texImage) {
/* probably invalid mipmap level */
_mesa_error(ctx, GL_INVALID_VALUE,
"glGetCompressedTexImageARB(level)");
return GL_TRUE;
}
if (!_mesa_is_format_compressed(texImage->TexFormat)) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glGetCompressedTexImageARB(texture is not compressed)");
return GL_TRUE;
}
if (_mesa_is_bufferobj(ctx->Pack.BufferObj)) {
GLuint compressedSize;
/* make sure PBO is not mapped */
if (_mesa_bufferobj_mapped(ctx->Pack.BufferObj)) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glGetCompressedTexImage(PBO is mapped)");
return GL_TRUE;
}
compressedSize = _mesa_format_image_size(texImage->TexFormat,
texImage->Width,
texImage->Height,
texImage->Depth);
/* do bounds checking on PBO write */
if ((const GLubyte *) img + compressedSize >
(const GLubyte *) ctx->Pack.BufferObj->Size) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glGetCompressedTexImage(out of bounds PBO write)");
return GL_TRUE;
}
}
return GL_FALSE;
}
/**
* Do error checking for a glGetTexImage() call.
* \return GL_TRUE if any error, GL_FALSE if no errors.
*/
static GLboolean
getteximage_error_check(struct gl_context *ctx, GLenum target, GLint level,
GLenum format, GLenum type, GLsizei clientMemSize,
GLvoid *pixels )
{
struct gl_texture_object *texObj;
struct gl_texture_image *texImage;
const GLint maxLevels = _mesa_max_texture_levels(ctx, target);
const GLuint dimensions = (target == GL_TEXTURE_3D) ? 3 : 2;
GLenum baseFormat, err;
if (!legal_getteximage_target(ctx, target)) {
_mesa_error(ctx, GL_INVALID_ENUM, "glGetTexImage(target=0x%x)", target);
return GL_TRUE;
}
assert(maxLevels != 0);
if (level < 0 || level >= maxLevels) {
_mesa_error( ctx, GL_INVALID_VALUE, "glGetTexImage(level)" );
return GL_TRUE;
}
err = _mesa_error_check_format_and_type(ctx, format, type);
if (err != GL_NO_ERROR) {
_mesa_error(ctx, err, "glGetTexImage(format/type)");
return GL_TRUE;
}
texObj = _mesa_get_current_tex_object(ctx, target);
if (!texObj) {
_mesa_error(ctx, GL_INVALID_ENUM, "glGetTexImage(target)");
return GL_TRUE;
}
texImage = _mesa_select_tex_image(ctx, texObj, target, level);
if (!texImage) {
/* non-existant texture image */
return GL_TRUE;
}
baseFormat = _mesa_get_format_base_format(texImage->TexFormat);
/* Make sure the requested image format is compatible with the
* texture's format.
*/
if (_mesa_is_color_format(format)
&& !_mesa_is_color_format(baseFormat)) {
_mesa_error(ctx, GL_INVALID_OPERATION, "glGetTexImage(format mismatch)");
return GL_TRUE;
}
else if (_mesa_is_depth_format(format)
&& !_mesa_is_depth_format(baseFormat)
&& !_mesa_is_depthstencil_format(baseFormat)) {
_mesa_error(ctx, GL_INVALID_OPERATION, "glGetTexImage(format mismatch)");
return GL_TRUE;
}
else if (_mesa_is_ycbcr_format(format)
&& !_mesa_is_ycbcr_format(baseFormat)) {
_mesa_error(ctx, GL_INVALID_OPERATION, "glGetTexImage(format mismatch)");
return GL_TRUE;
}
else if (_mesa_is_depthstencil_format(format)
&& !_mesa_is_depthstencil_format(baseFormat)) {
_mesa_error(ctx, GL_INVALID_OPERATION, "glGetTexImage(format mismatch)");
return GL_TRUE;
}
else if (_mesa_is_dudv_format(format)
&& !_mesa_is_dudv_format(baseFormat)) {
_mesa_error(ctx, GL_INVALID_OPERATION, "glGetTexImage(format mismatch)");
return GL_TRUE;
}
if (!_mesa_validate_pbo_access(dimensions, &ctx->Pack, texImage->Width,
texImage->Height, texImage->Depth,
format, type, clientMemSize, pixels)) {
if (_mesa_is_bufferobj(ctx->Pack.BufferObj)) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glGetTexImage(out of bounds PBO access)");
} else {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glGetnTexImageARB(out of bounds access:"
" bufSize (%d) is too small)", clientMemSize);
}
return GL_TRUE;
}
if (_mesa_is_bufferobj(ctx->Pack.BufferObj)) {
/* PBO should not be mapped */
if (_mesa_bufferobj_mapped(ctx->Pack.BufferObj)) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glGetTexImage(PBO is mapped)");
return GL_TRUE;
}
}
return GL_FALSE;
}
/**
* Helper used by _mesa_TexStorage1/2/3D().
*/
static void
texstorage(GLuint dims, GLenum target, GLsizei levels, GLenum internalformat,
GLsizei width, GLsizei height, GLsizei depth)
{
struct gl_texture_object *texObj;
GLboolean sizeOK, dimensionsOK;
gl_format texFormat;
GET_CURRENT_CONTEXT(ctx);
if (tex_storage_error_check(ctx, dims, target, levels,
internalformat, width, height, depth)) {
return; /* error was recorded */
}
texObj = _mesa_get_current_tex_object(ctx, target);
assert(texObj);
texFormat = _mesa_choose_texture_format(ctx, texObj, target, 0,
internalformat, GL_NONE, GL_NONE);
assert(texFormat != MESA_FORMAT_NONE);
/* check that width, height, depth are legal for the mipmap level */
dimensionsOK = _mesa_legal_texture_dimensions(ctx, target, 0,
width, height, depth, 0);
sizeOK = ctx->Driver.TestProxyTexImage(ctx, target, 0, texFormat,
width, height, depth, 0);
if (_mesa_is_proxy_texture(texObj->Target)) {
if (dimensionsOK && sizeOK) {
initialize_texture_fields(ctx, texObj, levels, width, height, depth,
internalformat, texFormat);
}
else {
/* clear all image fields for [levels] */
clear_texture_fields(ctx, texObj);
}
}
else {
if (!dimensionsOK) {
_mesa_error(ctx, GL_INVALID_VALUE,
"glTexStorage%uD(invalid width, height or depth)", dims);
return;
}
if (!sizeOK) {
_mesa_error(ctx, GL_OUT_OF_MEMORY,
"glTexStorage%uD(texture too large)", dims);
}
assert(levels > 0);
assert(width > 0);
assert(height > 0);
assert(depth > 0);
if (!initialize_texture_fields(ctx, texObj, levels, width, height, depth,
internalformat, texFormat)) {
return;
}
/* Do actual texture memory allocation */
if (!ctx->Driver.AllocTextureStorage(ctx, texObj, levels,
width, height, depth)) {
/* Reset the texture images' info to zeros.
* Strictly speaking, we probably don't have to do this since
* generating GL_OUT_OF_MEMORY can leave things in an undefined
* state but this puts things in a consistent state.
*/
clear_texture_fields(ctx, texObj);
_mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexStorage%uD", dims);
return;
}
texObj->Immutable = GL_TRUE;
texObj->ImmutableLevels = levels;
}
}
/**
* Do error checking for calls to glTexStorage1/2/3D().
* If an error is found, record it with _mesa_error(), unless the target
* is a proxy texture.
* \return GL_TRUE if any error, GL_FALSE otherwise.
*/
static GLboolean
tex_storage_error_check(struct gl_context *ctx, GLuint dims, GLenum target,
GLsizei levels, GLenum internalformat,
GLsizei width, GLsizei height, GLsizei depth)
{
struct gl_texture_object *texObj;
GLboolean legalFormat;
/* check internal format - note that only sized formats are allowed */
switch (internalformat) {
case GL_ALPHA:
case GL_LUMINANCE:
case GL_LUMINANCE_ALPHA:
case GL_INTENSITY:
case GL_RED:
case GL_RG:
case GL_RGB:
case GL_RGBA:
case GL_BGRA:
case GL_DEPTH_COMPONENT:
case GL_DEPTH_STENCIL:
case GL_COMPRESSED_ALPHA:
case GL_COMPRESSED_LUMINANCE_ALPHA:
case GL_COMPRESSED_LUMINANCE:
case GL_COMPRESSED_INTENSITY:
case GL_COMPRESSED_RGB:
case GL_COMPRESSED_RGBA:
case GL_COMPRESSED_SRGB:
case GL_COMPRESSED_SRGB_ALPHA:
case GL_COMPRESSED_SLUMINANCE:
case GL_COMPRESSED_SLUMINANCE_ALPHA:
case GL_RED_INTEGER:
case GL_GREEN_INTEGER:
case GL_BLUE_INTEGER:
case GL_ALPHA_INTEGER:
case GL_RGB_INTEGER:
case GL_RGBA_INTEGER:
case GL_BGR_INTEGER:
case GL_BGRA_INTEGER:
case GL_LUMINANCE_INTEGER_EXT:
case GL_LUMINANCE_ALPHA_INTEGER_EXT:
/* these unsized formats are illegal */
legalFormat = GL_FALSE;
break;
default:
legalFormat = _mesa_base_tex_format(ctx, internalformat) > 0;
}
if (!legalFormat) {
_mesa_error(ctx, GL_INVALID_ENUM,
"glTexStorage%uD(internalformat = %s)", dims,
_mesa_lookup_enum_by_nr(internalformat));
return GL_TRUE;
}
/* size check */
if (width < 1 || height < 1 || depth < 1) {
_mesa_error(ctx, GL_INVALID_VALUE,
"glTexStorage%uD(width, height or depth < 1)", dims);
return GL_TRUE;
}
/* target check */
if (!legal_texobj_target(ctx, dims, target)) {
_mesa_error(ctx, GL_INVALID_ENUM,
"glTexStorage%uD(illegal target=%s)",
dims, _mesa_lookup_enum_by_nr(target));
return GL_TRUE;
}
/* levels check */
if (levels < 1) {
_mesa_error(ctx, GL_INVALID_VALUE, "glTexStorage%uD(levels < 1)",
dims);
return GL_TRUE;
}
/* check levels against maximum (note different error than above) */
if (levels > (GLint) _mesa_max_texture_levels(ctx, target)) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glTexStorage%uD(levels too large)", dims);
return GL_TRUE;
}
/* check levels against width/height/depth */
if (levels > _mesa_get_tex_max_num_levels(target, width, height, depth)) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glTexStorage%uD(too many levels for max texture dimension)",
dims);
return GL_TRUE;
}
/* non-default texture object check */
texObj = _mesa_get_current_tex_object(ctx, target);
if (!texObj || (texObj->Name == 0)) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glTexStorage%uD(texture object 0)", dims);
return GL_TRUE;
}
/* Check if texObj->Immutable is set */
if (texObj->Immutable) {
_mesa_error(ctx, GL_INVALID_OPERATION, "glTexStorage%uD(immutable)",
dims);
return GL_TRUE;
}
return GL_FALSE;
}
/**
* 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);
}
/**
* Do error checking for calls to glTexStorage1/2/3D().
* If an error is found, record it with _mesa_error(), unless the target
* is a proxy texture.
* \return GL_TRUE if any error, GL_FALSE otherwise.
*/
static GLboolean
tex_storage_error_check(struct gl_context *ctx, GLuint dims, GLenum target,
GLsizei levels, GLenum internalformat,
GLsizei width, GLsizei height, GLsizei depth)
{
struct gl_texture_object *texObj;
if (!_mesa_is_legal_tex_storage_format(ctx, internalformat)) {
_mesa_error(ctx, GL_INVALID_ENUM,
"glTexStorage%uD(internalformat = %s)", dims,
_mesa_lookup_enum_by_nr(internalformat));
return GL_TRUE;
}
/* size check */
if (width < 1 || height < 1 || depth < 1) {
_mesa_error(ctx, GL_INVALID_VALUE,
"glTexStorage%uD(width, height or depth < 1)", dims);
return GL_TRUE;
}
/* target check */
if (!legal_texobj_target(ctx, dims, target)) {
_mesa_error(ctx, GL_INVALID_ENUM,
"glTexStorage%uD(illegal target=%s)",
dims, _mesa_lookup_enum_by_nr(target));
return GL_TRUE;
}
/* From section 3.8.6, page 146 of OpenGL ES 3.0 spec:
*
* "The ETC2/EAC texture compression algorithm supports only
* two-dimensional images. If internalformat is an ETC2/EAC format,
* CompressedTexImage3D will generate an INVALID_OPERATION error if
* target is not TEXTURE_2D_ARRAY."
*
* This should also be applicable for glTexStorage3D().
*/
if (_mesa_is_compressed_format(ctx, internalformat)
&& !_mesa_target_can_be_compressed(ctx, target, internalformat)) {
_mesa_error(ctx, _mesa_is_desktop_gl(ctx)?
GL_INVALID_ENUM : GL_INVALID_OPERATION,
"glTexStorage3D(internalformat = %s)",
_mesa_lookup_enum_by_nr(internalformat));
}
/* levels check */
if (levels < 1) {
_mesa_error(ctx, GL_INVALID_VALUE, "glTexStorage%uD(levels < 1)",
dims);
return GL_TRUE;
}
/* check levels against maximum (note different error than above) */
if (levels > (GLint) _mesa_max_texture_levels(ctx, target)) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glTexStorage%uD(levels too large)", dims);
return GL_TRUE;
}
/* check levels against width/height/depth */
if (levels > _mesa_get_tex_max_num_levels(target, width, height, depth)) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glTexStorage%uD(too many levels for max texture dimension)",
dims);
return GL_TRUE;
}
/* non-default texture object check */
texObj = _mesa_get_current_tex_object(ctx, target);
if (!_mesa_is_proxy_texture(target) && (!texObj || (texObj->Name == 0))) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glTexStorage%uD(texture object 0)", dims);
return GL_TRUE;
}
/* Check if texObj->Immutable is set */
if (!_mesa_is_proxy_texture(target) && texObj->Immutable) {
_mesa_error(ctx, GL_INVALID_OPERATION, "glTexStorage%uD(immutable)",
dims);
return GL_TRUE;
}
/* additional checks for depth textures */
if (!_mesa_legal_texture_base_format_for_target(ctx, target, internalformat,
dims, "glTexStorage"))
return GL_TRUE;
return GL_FALSE;
}
