void
st_generate_mipmap(GLcontext *ctx, GLenum target,
struct gl_texture_object *texObj)
{
struct st_context *st = ctx->st;
struct pipe_texture *pt = st_get_texobj_texture(texObj);
const uint baseLevel = texObj->BaseLevel;
uint lastLevel;
uint dstLevel;
if (!pt)
return;
lastLevel = pt->last_level;
if (!st_render_mipmap(st, target, pt, baseLevel, lastLevel)) {
fallback_generate_mipmap(ctx, target, texObj);
}
/* Fill in the Mesa gl_texture_image fields */
for (dstLevel = baseLevel + 1; dstLevel <= lastLevel; dstLevel++) {
const uint srcLevel = dstLevel - 1;
const struct gl_texture_image *srcImage
= _mesa_get_tex_image(ctx, texObj, target, srcLevel);
struct gl_texture_image *dstImage;
struct st_texture_image *stImage;
uint dstWidth = pt->width[dstLevel];
uint dstHeight = pt->height[dstLevel];
uint dstDepth = pt->depth[dstLevel];
uint border = srcImage->Border;
dstImage = _mesa_get_tex_image(ctx, texObj, target, dstLevel);
if (!dstImage) {
_mesa_error(ctx, GL_OUT_OF_MEMORY, "generating mipmaps");
return;
}
/* Free old image data */
if (dstImage->Data)
ctx->Driver.FreeTexImageData(ctx, dstImage);
/* initialize new image */
_mesa_init_teximage_fields(ctx, target, dstImage, dstWidth, dstHeight,
dstDepth, border, srcImage->InternalFormat);
dstImage->TexFormat = srcImage->TexFormat;
stImage = (struct st_texture_image *) dstImage;
pipe_texture_reference(&stImage->pt, pt);
}
}
GLboolean
_mesa_meta_bind_rb_as_tex_image(struct gl_context *ctx,
struct gl_renderbuffer *rb,
GLuint *tex,
struct gl_texture_object **texObj,
GLenum *target)
{
struct gl_texture_image *texImage;
if (rb->NumSamples > 1)
*target = GL_TEXTURE_2D_MULTISAMPLE;
else
*target = GL_TEXTURE_2D;
_mesa_GenTextures(1, tex);
_mesa_BindTexture(*target, *tex);
*texObj = _mesa_lookup_texture(ctx, *tex);
texImage = _mesa_get_tex_image(ctx, *texObj, *target, 0);
if (!ctx->Driver.BindRenderbufferTexImage(ctx, rb, texImage)) {
_mesa_DeleteTextures(1, tex);
return false;
}
if (ctx->Driver.FinishRenderTexture && !rb->NeedsFinishRenderTexture) {
rb->NeedsFinishRenderTexture = true;
ctx->Driver.FinishRenderTexture(ctx, rb);
}
return true;
}
/**
* Compute the expected number of mipmap levels in the texture given
* the width/height/depth of the base image and the GL_TEXTURE_BASE_LEVEL/
* GL_TEXTURE_MAX_LEVEL settings. This will tell us how many mipmap
* levels should be generated.
*/
static GLuint
compute_num_levels(struct gl_context *ctx,
struct gl_texture_object *texObj,
GLenum target)
{
if (target == GL_TEXTURE_RECTANGLE_ARB) {
return 1;
}
else {
const struct gl_texture_image *baseImage =
_mesa_get_tex_image(ctx, texObj, target, texObj->BaseLevel);
GLuint size, numLevels;
size = MAX2(baseImage->Width2, baseImage->Height2);
size = MAX2(size, baseImage->Depth2);
numLevels = texObj->BaseLevel;
while (size > 0) {
numLevels++;
size >>= 1;
}
numLevels = MIN2(numLevels, texObj->MaxLevel + 1);
assert(numLevels >= 1);
return numLevels;
}
}
/**
* Clear all fields of texture object to zeros. Used for proxy texture tests.
*/
static void
clear_image_fields(struct gl_context *ctx,
GLuint dims,
struct gl_texture_object *texObj)
{
const GLenum target = texObj->Target;
const GLuint numFaces = (target == GL_TEXTURE_CUBE_MAP) ? 6 : 1;
GLint level;
GLuint face;
for (level = 0; level < Elements(texObj->Image[0]); level++) {
for (face = 0; face < numFaces; face++) {
const GLenum faceTarget =
(target == GL_TEXTURE_CUBE_MAP)
? GL_TEXTURE_CUBE_MAP_POSITIVE_X + face : target;
struct gl_texture_image *texImage =
_mesa_get_tex_image(ctx, texObj, faceTarget, level);
if (!texImage) {
_mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexStorage%uD", dims);
return;
}
_mesa_init_teximage_fields(ctx, target, texImage,
0, 0, 0, 0, GL_NONE, MESA_FORMAT_NONE);
}
}
}
/**
* Create a texture image that wraps a renderbuffer.
*/
static struct gl_texture_image *
wrap_renderbuffer(struct gl_context *ctx, struct gl_renderbuffer *rb)
{
GLenum texTarget;
struct gl_texture_object *texObj;
struct gl_texture_image *texImage;
if (rb->NumSamples > 1)
texTarget = GL_TEXTURE_2D_MULTISAMPLE;
else
texTarget = GL_TEXTURE_2D;
/* Texture ID is not significant since it never goes into the hash table */
texObj = ctx->Driver.NewTextureObject(ctx, 0, texTarget);
assert(texObj);
if (!texObj)
return NULL;
texImage = _mesa_get_tex_image(ctx, texObj, texTarget, 0);
assert(texImage);
if (!texImage)
return NULL;
if (!ctx->Driver.BindRenderbufferTexImage(ctx, rb, texImage)) {
_mesa_problem(ctx, "Failed to create texture from renderbuffer");
return NULL;
}
if (ctx->Driver.FinishRenderTexture && !rb->NeedsFinishRenderTexture) {
rb->NeedsFinishRenderTexture = true;
ctx->Driver.FinishRenderTexture(ctx, rb);
}
return texImage;
}
/* This function makes a texture view without bothering with all of the API
* checks. Most of them are the same for CopyTexSubImage so checking would
* be redundant. The one major difference is that we don't check for
* whether the texture is immutable or not. However, since the view will
* be created and then immediately destroyed, this should not be a problem.
*/
static bool
make_view(struct gl_context *ctx, struct gl_texture_image *tex_image,
struct gl_texture_image **view_tex_image, GLuint *view_tex_name,
GLenum internal_format)
{
struct gl_texture_object *tex_obj = tex_image->TexObject;
struct gl_texture_object *view_tex_obj;
mesa_format tex_format;
/* Set up the new texture object */
_mesa_GenTextures(1, view_tex_name);
view_tex_obj = _mesa_lookup_texture(ctx, *view_tex_name);
if (!view_tex_obj)
return false;
tex_format = _mesa_choose_texture_format(ctx, view_tex_obj, tex_obj->Target,
0, internal_format,
GL_NONE, GL_NONE);
if (!ctx->Driver.TestProxyTexImage(ctx, tex_obj->Target, 0, tex_format,
tex_image->Width, tex_image->Height,
tex_image->Depth, 0)) {
_mesa_DeleteTextures(1, view_tex_name);
*view_tex_name = 0;
return false;
}
view_tex_obj->Target = tex_obj->Target;
*view_tex_image = _mesa_get_tex_image(ctx, view_tex_obj, tex_obj->Target, 0);
if (!*view_tex_image) {
_mesa_DeleteTextures(1, view_tex_name);
*view_tex_name = 0;
return false;
}
_mesa_init_teximage_fields(ctx, *view_tex_image,
tex_image->Width, tex_image->Height,
tex_image->Depth,
0, internal_format, tex_format);
view_tex_obj->MinLevel = tex_image->Level;
view_tex_obj->NumLevels = 1;
view_tex_obj->MinLayer = tex_obj->MinLayer;
view_tex_obj->NumLayers = tex_obj->NumLayers;
view_tex_obj->Immutable = tex_obj->Immutable;
view_tex_obj->ImmutableLevels = tex_obj->ImmutableLevels;
view_tex_obj->Target = tex_obj->Target;
if (ctx->Driver.TextureView != NULL &&
!ctx->Driver.TextureView(ctx, view_tex_obj, tex_obj)) {
_mesa_DeleteTextures(1, view_tex_name);
*view_tex_name = 0;
return false; /* driver recorded error */
}
return true;
}
/**
* 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;
}
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);
}
/** Helper to get a particular texture image in a texture object */
static struct gl_texture_image *
get_tex_image(struct gl_context *ctx,
struct gl_texture_object *texObj,
GLuint face, GLuint level)
{
const GLenum faceTarget =
(texObj->Target == GL_TEXTURE_CUBE_MAP ||
texObj->Target == GL_PROXY_TEXTURE_CUBE_MAP)
? GL_TEXTURE_CUBE_MAP_POSITIVE_X + face : texObj->Target;
return _mesa_get_tex_image(ctx, texObj, faceTarget, level);
}
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;
}
}
/** Redirect rendering into stfb's surface to a texture image */
int
st_bind_teximage(struct st_framebuffer *stfb, uint surfIndex,
int target, int format, int level)
{
GET_CURRENT_CONTEXT(ctx);
struct st_context *st = ctx->st;
struct pipe_context *pipe = st->pipe;
struct pipe_screen *screen = pipe->screen;
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_image *stImage;
struct st_renderbuffer *strb;
GLint face = 0, slice = 0;
assert(surfIndex <= ST_SURFACE_DEPTH);
strb = st_renderbuffer(stfb->Base.Attachment[surfIndex].Renderbuffer);
if (strb->texture_save || strb->surface_save) {
/* Error! */
return 0;
}
if (target == ST_TEXTURE_2D) {
texObj = texUnit->CurrentTex[TEXTURE_2D_INDEX];
texImage = _mesa_get_tex_image(ctx, texObj, GL_TEXTURE_2D, level);
stImage = st_texture_image(texImage);
}
else {
/* unsupported target */
return 0;
}
st_flush(ctx->st, PIPE_FLUSH_RENDER_CACHE, NULL);
/* save the renderbuffer's surface/texture info */
pipe_texture_reference(&strb->texture_save, strb->texture);
pipe_surface_reference(&strb->surface_save, strb->surface);
/* plug in new surface/texture info */
pipe_texture_reference(&strb->texture, stImage->pt);
strb->surface = screen->get_tex_surface(screen, strb->texture,
face, level, slice,
(PIPE_BUFFER_USAGE_GPU_READ |
PIPE_BUFFER_USAGE_GPU_WRITE));
st->dirty.st |= ST_NEW_FRAMEBUFFER;
return 1;
}
/**
* Return pointer to a default/fallback texture.
* The texture is a 2D 8x8 RGBA texture with all texels = (0,0,0,1).
* That's the value a sampler should get when sampling from an
* incomplete texture.
*/
struct gl_texture_object *
_mesa_get_fallback_texture(struct gl_context *ctx)
{
if (!ctx->Shared->FallbackTex) {
/* create fallback texture now */
static GLubyte texels[8 * 8][4];
struct gl_texture_object *texObj;
struct gl_texture_image *texImage;
gl_format texFormat;
GLuint i;
for (i = 0; i < 8 * 8; i++) {
texels[i][0] =
texels[i][1] =
texels[i][2] = 0x0;
texels[i][3] = 0xff;
}
/* create texture object */
texObj = ctx->Driver.NewTextureObject(ctx, 0, GL_TEXTURE_2D);
assert(texObj->RefCount == 1);
texObj->Sampler.MinFilter = GL_NEAREST;
texObj->Sampler.MagFilter = GL_NEAREST;
/* create level[0] texture image */
texImage = _mesa_get_tex_image(ctx, texObj, GL_TEXTURE_2D, 0);
texFormat = ctx->Driver.ChooseTextureFormat(ctx, GL_RGBA, GL_RGBA,
GL_UNSIGNED_BYTE);
/* init the image fields */
_mesa_init_teximage_fields(ctx, texImage,
8, 8, 1, 0, GL_RGBA, texFormat);
ASSERT(texImage->TexFormat != MESA_FORMAT_NONE);
/* set image data */
ctx->Driver.TexImage2D(ctx, texImage, GL_RGBA,
8, 8, 0,
GL_RGBA, GL_UNSIGNED_BYTE, texels,
&ctx->DefaultPacking);
_mesa_test_texobj_completeness(ctx, texObj);
assert(texObj->_Complete);
ctx->Shared->FallbackTex = texObj;
}
return ctx->Shared->FallbackTex;
}
/**
* Compute the expected number of mipmap levels in the texture given
* the width/height/depth of the base image and the GL_TEXTURE_BASE_LEVEL/
* GL_TEXTURE_MAX_LEVEL settings. This will tell us how many mipmap
* levels should be generated.
*/
static GLuint
compute_num_levels(struct gl_context *ctx,
struct gl_texture_object *texObj,
GLenum target)
{
const struct gl_texture_image *baseImage;
GLuint numLevels;
baseImage = _mesa_get_tex_image(ctx, texObj, target, texObj->BaseLevel);
numLevels = texObj->BaseLevel + baseImage->MaxNumLevels;
numLevels = MIN2(numLevels, (GLuint) texObj->MaxLevel + 1);
assert(numLevels >= 1);
return numLevels;
}
/**
* Initialize new texture's gl_texture_image structures. Will not call driver
* to allocate new space, simply record relevant layer, face, format, etc.
* \return GL_FALSE if any error, GL_TRUE otherwise.
*/
static GLboolean
initialize_texture_fields(struct gl_context *ctx,
GLenum target,
struct gl_texture_object *texObj,
GLint levels,
GLsizei width, GLsizei height, GLsizei depth,
GLenum internalFormat, mesa_format texFormat)
{
const GLuint numFaces = _mesa_num_tex_faces(target);
GLint level, levelWidth = width, levelHeight = height, levelDepth = depth;
GLuint face;
/* Pretend we are bound to initialize the gl_texture_image structs */
texObj->Target = target;
/* Set up all the texture object's gl_texture_images */
for (level = 0; level < levels; level++) {
for (face = 0; face < numFaces; face++) {
struct gl_texture_image *texImage;
GLenum faceTarget = target;
if (target == GL_TEXTURE_CUBE_MAP)
faceTarget = GL_TEXTURE_CUBE_MAP_POSITIVE_X + face;
texImage = _mesa_get_tex_image(ctx, texObj, faceTarget, level);
if (!texImage) {
_mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexStorage");
return GL_FALSE;
}
_mesa_init_teximage_fields(ctx, texImage,
levelWidth, levelHeight, levelDepth,
0, internalFormat, texFormat);
}
_mesa_next_mipmap_level_size(target, 0,
levelWidth, levelHeight, levelDepth,
&levelWidth, &levelHeight, &levelDepth);
}
/* "unbind" */
texObj->Target = 0;
return GL_TRUE;
}
/**
* 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;
}
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);
}
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;
}
/**
* Called via ctx->Driver.GenerateMipmap().
*/
void
st_generate_mipmap(struct gl_context *ctx, GLenum target,
struct gl_texture_object *texObj)
{
struct st_context *st = st_context(ctx);
struct st_texture_object *stObj = st_texture_object(texObj);
struct pipe_resource *pt = st_get_texobj_resource(texObj);
const uint baseLevel = texObj->BaseLevel;
uint lastLevel, first_layer, last_layer;
uint dstLevel;
if (!pt)
return;
/* not sure if this ultimately actually should work,
but we're not supporting multisampled textures yet. */
assert(pt->nr_samples < 2);
/* find expected last mipmap level to generate*/
lastLevel = compute_num_levels(ctx, texObj, target) - 1;
if (lastLevel == 0)
return;
/* The texture isn't in a "complete" state yet so set the expected
* lastLevel here, since it won't get done in st_finalize_texture().
*/
stObj->lastLevel = lastLevel;
if (pt->last_level < lastLevel) {
/* The current gallium texture doesn't have space for all the
* mipmap levels we need to generate. So allocate a new texture.
*/
struct pipe_resource *oldTex = stObj->pt;
/* create new texture with space for more levels */
stObj->pt = st_texture_create(st,
oldTex->target,
oldTex->format,
lastLevel,
oldTex->width0,
oldTex->height0,
oldTex->depth0,
oldTex->array_size,
0,
oldTex->bind);
/* This will copy the old texture's base image into the new texture
* which we just allocated.
*/
st_finalize_texture(ctx, st->pipe, texObj);
/* release the old tex (will likely be freed too) */
pipe_resource_reference(&oldTex, NULL);
st_texture_release_all_sampler_views(stObj);
}
else {
/* Make sure that the base texture image data is present in the
* texture buffer.
*/
st_finalize_texture(ctx, st->pipe, texObj);
}
pt = stObj->pt;
assert(pt->last_level >= lastLevel);
if (pt->target == PIPE_TEXTURE_CUBE) {
first_layer = last_layer = _mesa_tex_target_to_face(target);
}
else {
first_layer = 0;
last_layer = util_max_layer(pt, baseLevel);
}
/* Try to generate the mipmap by rendering/texturing. If that fails,
* use the software fallback.
*/
if (!util_gen_mipmap(st->pipe, pt, pt->format, baseLevel, lastLevel,
first_layer, last_layer, PIPE_TEX_FILTER_LINEAR)) {
_mesa_generate_mipmap(ctx, target, texObj);
}
/* Fill in the Mesa gl_texture_image fields */
for (dstLevel = baseLevel + 1; dstLevel <= lastLevel; dstLevel++) {
const uint srcLevel = dstLevel - 1;
const struct gl_texture_image *srcImage
= _mesa_get_tex_image(ctx, texObj, target, srcLevel);
struct gl_texture_image *dstImage;
struct st_texture_image *stImage;
uint border = srcImage->Border;
uint dstWidth, dstHeight, dstDepth;
dstWidth = u_minify(pt->width0, dstLevel);
if (texObj->Target == GL_TEXTURE_1D_ARRAY) {
dstHeight = pt->array_size;
}
else {
dstHeight = u_minify(pt->height0, dstLevel);
}
if (texObj->Target == GL_TEXTURE_2D_ARRAY ||
texObj->Target == GL_TEXTURE_CUBE_MAP_ARRAY) {
dstDepth = pt->array_size;
}
else {
dstDepth = u_minify(pt->depth0, dstLevel);
}
dstImage = _mesa_get_tex_image(ctx, texObj, target, dstLevel);
if (!dstImage) {
_mesa_error(ctx, GL_OUT_OF_MEMORY, "generating mipmaps");
return;
}
/* Free old image data */
ctx->Driver.FreeTextureImageBuffer(ctx, dstImage);
/* initialize new image */
_mesa_init_teximage_fields(ctx, dstImage, dstWidth, dstHeight,
dstDepth, border, srcImage->InternalFormat,
srcImage->TexFormat);
stImage = st_texture_image(dstImage);
pipe_resource_reference(&stImage->pt, pt);
}
}
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;
}
static struct gl_texture_image *
create_texture_for_pbo(struct gl_context *ctx, bool create_pbo,
GLenum pbo_target, int width, int height,
GLenum format, GLenum type, const void *pixels,
const struct gl_pixelstore_attrib *packing,
GLuint *tmp_pbo, GLuint *tmp_tex)
{
uint32_t pbo_format;
GLenum internal_format;
unsigned row_stride;
struct gl_buffer_object *buffer_obj;
struct gl_texture_object *tex_obj;
struct gl_texture_image *tex_image;
bool read_only;
if (packing->SwapBytes ||
packing->LsbFirst ||
packing->Invert)
return NULL;
pbo_format = _mesa_format_from_format_and_type(format, type);
if (_mesa_format_is_mesa_array_format(pbo_format))
pbo_format = _mesa_format_from_array_format(pbo_format);
if (!pbo_format || !ctx->TextureFormatSupported[pbo_format])
return NULL;
/* Account for SKIP_PIXELS, SKIP_ROWS, ALIGNMENT, and SKIP_IMAGES */
pixels = _mesa_image_address3d(packing, pixels,
width, height, format, type, 0, 0, 0);
row_stride = _mesa_image_row_stride(packing, width, format, type);
if (_mesa_is_bufferobj(packing->BufferObj)) {
*tmp_pbo = 0;
buffer_obj = packing->BufferObj;
} else {
bool is_pixel_pack = pbo_target == GL_PIXEL_PACK_BUFFER;
assert(create_pbo);
_mesa_GenBuffers(1, tmp_pbo);
/* We are not doing this inside meta_begin/end. However, we know the
* client doesn't have the given target bound, so we can go ahead and
* squash it. We'll set it back when we're done.
*/
_mesa_BindBuffer(pbo_target, *tmp_pbo);
/* In case of GL_PIXEL_PACK_BUFFER, pass null pointer for the pixel
* data to avoid unnecessary data copying in _mesa_BufferData().
*/
if (is_pixel_pack)
_mesa_BufferData(pbo_target, row_stride * height, NULL,
GL_STREAM_READ);
else
_mesa_BufferData(pbo_target, row_stride * height, pixels,
GL_STREAM_DRAW);
buffer_obj = packing->BufferObj;
pixels = NULL;
_mesa_BindBuffer(pbo_target, 0);
}
_mesa_GenTextures(1, tmp_tex);
tex_obj = _mesa_lookup_texture(ctx, *tmp_tex);
_mesa_initialize_texture_object(ctx, tex_obj, *tmp_tex, GL_TEXTURE_2D);
/* This must be set after _mesa_initialize_texture_object, not before. */
tex_obj->Immutable = GL_TRUE;
/* This is required for interactions with ARB_texture_view. */
tex_obj->NumLayers = 1;
internal_format = _mesa_get_format_base_format(pbo_format);
tex_image = _mesa_get_tex_image(ctx, tex_obj, tex_obj->Target, 0);
_mesa_init_teximage_fields(ctx, tex_image, width, height, 1,
0, internal_format, pbo_format);
read_only = pbo_target == GL_PIXEL_UNPACK_BUFFER;
if (!ctx->Driver.SetTextureStorageForBufferObject(ctx, tex_obj,
buffer_obj,
(intptr_t)pixels,
row_stride,
read_only)) {
_mesa_DeleteTextures(1, tmp_tex);
_mesa_DeleteBuffers(1, tmp_pbo);
return NULL;
}
return tex_image;
}
/**
* Prepare the source or destination resource, including:
* - Error checking
* - Creating texture wrappers for renderbuffers
* \param name the texture or renderbuffer name
* \param target GL_TEXTURE target or GL_RENDERBUFFER. For the later, will
* be changed to a compatible GL_TEXTURE target.
* \param level mipmap level
* \param tex_obj returns a pointer to a texture object
* \param tex_image returns a pointer to a texture image
* \param tmp_tex returns temporary texture object name
* \return true if success, false if error
*/
static bool
prepare_target(struct gl_context *ctx, GLuint name, GLenum *target, int level,
struct gl_texture_object **tex_obj,
struct gl_texture_image **tex_image, GLuint *tmp_tex,
const char *dbg_prefix)
{
if (name == 0) {
_mesa_error(ctx, GL_INVALID_VALUE,
"glCopyImageSubData(%sName = %d)", dbg_prefix, name);
return false;
}
/*
* INVALID_ENUM is generated
* * if either <srcTarget> or <dstTarget>
* - is not RENDERBUFFER or a valid non-proxy texture target
* - is TEXTURE_BUFFER, or
* - is one of the cubemap face selectors described in table 3.17,
*/
switch (*target) {
case GL_RENDERBUFFER:
/* Not a texture target, but valid */
case GL_TEXTURE_1D:
case GL_TEXTURE_1D_ARRAY:
case GL_TEXTURE_2D:
case GL_TEXTURE_3D:
case GL_TEXTURE_CUBE_MAP:
case GL_TEXTURE_RECTANGLE:
case GL_TEXTURE_2D_ARRAY:
case GL_TEXTURE_CUBE_MAP_ARRAY:
case GL_TEXTURE_2D_MULTISAMPLE:
case GL_TEXTURE_2D_MULTISAMPLE_ARRAY:
/* These are all valid */
break;
case GL_TEXTURE_EXTERNAL_OES:
/* Only exists in ES */
case GL_TEXTURE_BUFFER:
default:
_mesa_error(ctx, GL_INVALID_ENUM,
"glCopyImageSubData(%sTarget = %s)", dbg_prefix,
_mesa_lookup_enum_by_nr(*target));
return false;
}
if (*target == GL_RENDERBUFFER) {
struct gl_renderbuffer *rb = _mesa_lookup_renderbuffer(ctx, name);
if (!rb) {
_mesa_error(ctx, GL_INVALID_VALUE,
"glCopyImageSubData(%sName = %u)", dbg_prefix, name);
return false;
}
if (!rb->Name) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glCopyImageSubData(%sName incomplete)", dbg_prefix);
return false;
}
if (level != 0) {
_mesa_error(ctx, GL_INVALID_VALUE,
"glCopyImageSubData(%sLevel = %u)", dbg_prefix, level);
return false;
}
if (rb->NumSamples > 1)
*target = GL_TEXTURE_2D_MULTISAMPLE;
else
*target = GL_TEXTURE_2D;
*tmp_tex = 0;
_mesa_GenTextures(1, tmp_tex);
if (*tmp_tex == 0)
return false; /* Error already set by GenTextures */
_mesa_BindTexture(*target, *tmp_tex);
*tex_obj = _mesa_lookup_texture(ctx, *tmp_tex);
*tex_image = _mesa_get_tex_image(ctx, *tex_obj, *target, 0);
if (!ctx->Driver.BindRenderbufferTexImage(ctx, rb, *tex_image)) {
_mesa_problem(ctx, "Failed to create texture from renderbuffer");
return false;
}
if (ctx->Driver.FinishRenderTexture && !rb->NeedsFinishRenderTexture) {
rb->NeedsFinishRenderTexture = true;
ctx->Driver.FinishRenderTexture(ctx, rb);
}
} else {
*tex_obj = _mesa_lookup_texture(ctx, name);
if (!*tex_obj) {
_mesa_error(ctx, GL_INVALID_VALUE,
"glCopyImageSubData(%sName = %u)", dbg_prefix, name);
return false;
}
_mesa_test_texobj_completeness(ctx, *tex_obj);
if (!(*tex_obj)->_BaseComplete ||
(level != 0 && !(*tex_obj)->_MipmapComplete)) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glCopyImageSubData(%sName incomplete)", dbg_prefix);
return false;
}
if ((*tex_obj)->Target != *target) {
_mesa_error(ctx, GL_INVALID_ENUM,
"glCopyImageSubData(%sTarget = %s)", dbg_prefix,
_mesa_lookup_enum_by_nr(*target));
return false;
}
if (level < 0 || level >= MAX_TEXTURE_LEVELS) {
_mesa_error(ctx, GL_INVALID_VALUE,
"glCopyImageSubData(%sLevel = %d)", dbg_prefix, level);
return false;
}
*tex_image = _mesa_select_tex_image(*tex_obj, *target, level);
if (!*tex_image) {
_mesa_error(ctx, GL_INVALID_VALUE,
"glCopyImageSubData(%sLevel = %u)", dbg_prefix, level);
return false;
}
}
return true;
}
/**
* Return pointer to a default/fallback texture of the given type/target.
* The texture is an RGBA texture with all texels = (0,0,0,1).
* That's the value a GLSL sampler should get when sampling from an
* incomplete texture.
*/
struct gl_texture_object *
_mesa_get_fallback_texture(struct gl_context *ctx, gl_texture_index tex)
{
if (!ctx->Shared->FallbackTex[tex]) {
/* create fallback texture now */
const GLsizei width = 1, height = 1, depth = 1;
GLubyte texel[4];
struct gl_texture_object *texObj;
struct gl_texture_image *texImage;
gl_format texFormat;
GLuint dims, face, numFaces = 1;
GLenum target;
texel[0] =
texel[1] =
texel[2] = 0x0;
texel[3] = 0xff;
switch (tex) {
case TEXTURE_2D_ARRAY_INDEX:
dims = 3;
target = GL_TEXTURE_2D_ARRAY;
break;
case TEXTURE_1D_ARRAY_INDEX:
dims = 2;
target = GL_TEXTURE_1D_ARRAY;
break;
case TEXTURE_CUBE_INDEX:
dims = 2;
target = GL_TEXTURE_CUBE_MAP;
numFaces = 6;
break;
case TEXTURE_3D_INDEX:
dims = 3;
target = GL_TEXTURE_3D;
break;
case TEXTURE_RECT_INDEX:
dims = 2;
target = GL_TEXTURE_RECTANGLE;
break;
case TEXTURE_2D_INDEX:
dims = 2;
target = GL_TEXTURE_2D;
break;
case TEXTURE_1D_INDEX:
dims = 1;
target = GL_TEXTURE_1D;
break;
case TEXTURE_BUFFER_INDEX:
dims = 0;
target = GL_TEXTURE_BUFFER;
break;
case TEXTURE_EXTERNAL_INDEX:
default:
/* no-op */
return NULL;
}
/* create texture object */
texObj = ctx->Driver.NewTextureObject(ctx, 0, target);
if (!texObj)
return NULL;
assert(texObj->RefCount == 1);
texObj->Sampler.MinFilter = GL_NEAREST;
texObj->Sampler.MagFilter = GL_NEAREST;
texFormat = ctx->Driver.ChooseTextureFormat(ctx, target,
GL_RGBA, GL_RGBA,
GL_UNSIGNED_BYTE);
/* need a loop here just for cube maps */
for (face = 0; face < numFaces; face++) {
GLenum faceTarget;
if (target == GL_TEXTURE_CUBE_MAP)
faceTarget = GL_TEXTURE_CUBE_MAP_POSITIVE_X + face;
else
faceTarget = target;
/* initialize level[0] texture image */
texImage = _mesa_get_tex_image(ctx, texObj, faceTarget, 0);
_mesa_init_teximage_fields(ctx, texImage,
width,
(dims > 1) ? height : 1,
(dims > 2) ? depth : 1,
0, /* border */
GL_RGBA, texFormat);
ctx->Driver.TexImage(ctx, dims, texImage,
GL_RGBA, GL_UNSIGNED_BYTE, texel,
&ctx->DefaultPacking);
}
_mesa_test_texobj_completeness(ctx, texObj);
assert(texObj->_BaseComplete);
assert(texObj->_MipmapComplete);
ctx->Shared->FallbackTex[tex] = texObj;
}
return ctx->Shared->FallbackTex[tex];
}
/**
* Do actual memory allocation for glTexStorage1/2/3D().
*/
static void
setup_texstorage(struct gl_context *ctx,
struct gl_texture_object *texObj,
GLuint dims,
GLsizei levels, GLenum internalFormat,
GLsizei width, GLsizei height, GLsizei depth)
{
const GLenum target = texObj->Target;
const GLuint numFaces = (target == GL_TEXTURE_CUBE_MAP) ? 6 : 1;
gl_format texFormat;
GLint level, levelWidth = width, levelHeight = height, levelDepth = depth;
GLuint face;
assert(levels > 0);
assert(width > 0);
assert(height > 0);
assert(depth > 0);
texFormat = _mesa_choose_texture_format(ctx, texObj, target, 0,
internalFormat, GL_NONE, GL_NONE);
/* Set up all the texture object's gl_texture_images */
for (level = 0; level < levels; level++) {
for (face = 0; face < numFaces; face++) {
const GLenum faceTarget =
(target == GL_TEXTURE_CUBE_MAP)
? GL_TEXTURE_CUBE_MAP_POSITIVE_X + face : target;
struct gl_texture_image *texImage =
_mesa_get_tex_image(ctx, texObj, faceTarget, level);
if (!texImage) {
_mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage%uD", dims);
return;
}
_mesa_init_teximage_fields(ctx, target, texImage,
levelWidth, levelHeight, levelDepth,
0, internalFormat, texFormat);
}
next_mipmap_level_size(target, &levelWidth, &levelHeight, &levelDepth);
}
assert(levelWidth > 0);
assert(levelHeight > 0);
assert(levelDepth > 0);
if (!_mesa_is_proxy_texture(texObj->Target)) {
/* 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.
*/
for (level = 0; level < levels; level++) {
for (face = 0; face < numFaces; face++) {
struct gl_texture_image *texImage = texObj->Image[face][level];
if (texImage) {
_mesa_init_teximage_fields(ctx, target, texImage,
0, 0, 0, 0,
GL_NONE, MESA_FORMAT_NONE);
}
}
}
_mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexStorage%uD", dims);
return;
}
}
texObj->Immutable = GL_TRUE;
}
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;
}
static struct gl_texture_image *
create_texture_for_pbo(struct gl_context *ctx,
bool create_pbo, GLenum pbo_target,
int dims, int width, int height, int depth,
GLenum format, GLenum type, const void *pixels,
const struct gl_pixelstore_attrib *packing,
struct gl_buffer_object **tmp_pbo, GLuint *tmp_tex)
{
uint32_t pbo_format;
GLenum internal_format;
unsigned row_stride;
struct gl_buffer_object *buffer_obj;
struct gl_texture_object *tex_obj;
struct gl_texture_image *tex_image;
bool read_only;
if (packing->SwapBytes ||
packing->LsbFirst ||
packing->Invert)
return NULL;
pbo_format = _mesa_format_from_format_and_type(format, type);
if (_mesa_format_is_mesa_array_format(pbo_format))
pbo_format = _mesa_format_from_array_format(pbo_format);
if (!pbo_format || !ctx->TextureFormatSupported[pbo_format])
return NULL;
/* Account for SKIP_PIXELS, SKIP_ROWS, ALIGNMENT, and SKIP_IMAGES */
uint32_t first_pixel = _mesa_image_offset(dims, packing, width, height,
format, type,
0, 0, 0);
uint32_t last_pixel = _mesa_image_offset(dims, packing, width, height,
format, type,
depth-1, height-1, width);
row_stride = _mesa_image_row_stride(packing, width, format, type);
if (_mesa_is_bufferobj(packing->BufferObj)) {
*tmp_pbo = NULL;
buffer_obj = packing->BufferObj;
first_pixel += (intptr_t)pixels;
} else {
bool is_pixel_pack = pbo_target == GL_PIXEL_PACK_BUFFER;
assert(create_pbo);
*tmp_pbo = ctx->Driver.NewBufferObject(ctx, 0xDEADBEEF);
if (*tmp_pbo == NULL)
return NULL;
/* In case of GL_PIXEL_PACK_BUFFER, pass null pointer for the pixel
* data to avoid unnecessary data copying in _mesa_buffer_data.
*/
if (is_pixel_pack)
_mesa_buffer_data(ctx, *tmp_pbo, GL_NONE,
last_pixel - first_pixel,
NULL,
GL_STREAM_READ,
__func__);
else
_mesa_buffer_data(ctx, *tmp_pbo, GL_NONE,
last_pixel - first_pixel,
(char *)pixels + first_pixel,
GL_STREAM_DRAW,
__func__);
buffer_obj = *tmp_pbo;
first_pixel = 0;
}
_mesa_GenTextures(1, tmp_tex);
tex_obj = _mesa_lookup_texture(ctx, *tmp_tex);
_mesa_initialize_texture_object(ctx, tex_obj, *tmp_tex, GL_TEXTURE_2D);
/* This must be set after _mesa_initialize_texture_object, not before. */
tex_obj->Immutable = GL_TRUE;
/* This is required for interactions with ARB_texture_view. */
tex_obj->NumLayers = 1;
internal_format = _mesa_get_format_base_format(pbo_format);
/* The texture is addressed as a single very-tall image, so we
* need to pack the multiple image depths together taking the
* inter-image padding into account.
*/
int image_height = packing->ImageHeight == 0 ? height : packing->ImageHeight;
int full_height = image_height * (depth - 1) + height;
tex_image = _mesa_get_tex_image(ctx, tex_obj, tex_obj->Target, 0);
_mesa_init_teximage_fields(ctx, tex_image, width, full_height, 1,
0, internal_format, pbo_format);
read_only = pbo_target == GL_PIXEL_UNPACK_BUFFER;
if (!ctx->Driver.SetTextureStorageForBufferObject(ctx, tex_obj,
buffer_obj,
first_pixel,
row_stride,
read_only)) {
_mesa_DeleteTextures(1, tmp_tex);
_mesa_reference_buffer_object(ctx, tmp_pbo, NULL);
return NULL;
}
return tex_image;
}