/** called via ctx->Driver.MapTextureImage() */
static void
st_MapTextureImage(struct gl_context *ctx,
struct gl_texture_image *texImage,
GLuint slice, GLuint x, GLuint y, GLuint w, GLuint h,
GLbitfield mode,
GLubyte **mapOut, GLint *rowStrideOut)
{
struct st_context *st = st_context(ctx);
struct st_texture_image *stImage = st_texture_image(texImage);
unsigned pipeMode;
GLubyte *map;
pipeMode = 0x0;
if (mode & GL_MAP_READ_BIT)
pipeMode |= PIPE_TRANSFER_READ;
if (mode & GL_MAP_WRITE_BIT)
pipeMode |= PIPE_TRANSFER_WRITE;
if (mode & GL_MAP_INVALIDATE_RANGE_BIT)
pipeMode |= PIPE_TRANSFER_DISCARD_RANGE;
map = st_texture_image_map(st, stImage, slice, pipeMode, x, y, w, h);
if (map) {
*mapOut = map;
*rowStrideOut = stImage->transfer->stride;
}
else {
*mapOut = NULL;
*rowStrideOut = 0;
}
}
/** called via ctx->Driver.UnmapTextureImage() */
static void
st_UnmapTextureImage(struct gl_context *ctx,
struct gl_texture_image *texImage,
GLuint slice)
{
struct st_context *st = st_context(ctx);
struct st_texture_image *stImage = st_texture_image(texImage);
st_texture_image_unmap(st, stImage);
}
/**
* 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;
}
/**
* Called via ctx->Driver.AllocTextureStorage() to allocate texture memory
* for a whole mipmap stack.
*/
static GLboolean
st_AllocTextureStorage(struct gl_context *ctx,
struct gl_texture_object *texObj,
GLsizei levels, GLsizei width,
GLsizei height, GLsizei depth)
{
const GLuint numFaces = _mesa_num_tex_faces(texObj->Target);
struct st_context *st = st_context(ctx);
struct st_texture_object *stObj = st_texture_object(texObj);
GLuint ptWidth, ptHeight, ptDepth, ptLayers, bindings;
enum pipe_format fmt;
GLint level;
assert(levels > 0);
/* Save the level=0 dimensions */
stObj->width0 = width;
stObj->height0 = height;
stObj->depth0 = depth;
stObj->lastLevel = levels - 1;
fmt = st_mesa_format_to_pipe_format(texObj->Image[0][0]->TexFormat);
bindings = default_bindings(st, fmt);
st_gl_texture_dims_to_pipe_dims(texObj->Target,
width, height, depth,
&ptWidth, &ptHeight, &ptDepth, &ptLayers);
stObj->pt = st_texture_create(st,
gl_target_to_pipe(texObj->Target),
fmt,
levels,
ptWidth,
ptHeight,
ptDepth,
ptLayers,
bindings);
if (!stObj->pt)
return GL_FALSE;
/* Set image resource pointers */
for (level = 0; level < levels; level++) {
GLuint face;
for (face = 0; face < numFaces; face++) {
struct st_texture_image *stImage =
st_texture_image(texObj->Image[face][level]);
pipe_resource_reference(&stImage->pt, stObj->pt);
}
}
return GL_TRUE;
}
/** 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;
}
static void
st_vdpau_unmap_surface(struct gl_context *ctx, GLenum target, GLenum access,
GLboolean output, struct gl_texture_object *texObj,
struct gl_texture_image *texImage,
const GLvoid *vdpSurface, GLuint index)
{
struct st_texture_object *stObj = st_texture_object(texObj);
struct st_texture_image *stImage = st_texture_image(texImage);
pipe_resource_reference(&stObj->pt, NULL);
pipe_sampler_view_reference(&stObj->sampler_view, NULL);
pipe_resource_reference(&stImage->pt, NULL);
_mesa_dirty_texobj(ctx, texObj);
}
/** called via ctx->Driver.FreeTextureImageBuffer() */
static void
st_FreeTextureImageBuffer(struct gl_context *ctx,
struct gl_texture_image *texImage)
{
struct st_texture_image *stImage = st_texture_image(texImage);
DBG("%s\n", __FUNCTION__);
if (stImage->pt) {
pipe_resource_reference(&stImage->pt, NULL);
}
if (stImage->TexData) {
_mesa_align_free(stImage->TexData);
stImage->TexData = NULL;
}
}
static void
st_bind_surface(struct gl_context *ctx, GLenum target,
struct gl_texture_object *texObj,
struct gl_texture_image *texImage,
struct pipe_surface *ps)
{
struct st_texture_object *stObj;
struct st_texture_image *stImage;
GLenum internalFormat;
gl_format texFormat;
/* map pipe format to base format */
if (util_format_get_component_bits(ps->format, UTIL_FORMAT_COLORSPACE_RGB, 3) > 0)
internalFormat = GL_RGBA;
else
internalFormat = GL_RGB;
stObj = st_texture_object(texObj);
stImage = st_texture_image(texImage);
/* switch to surface based */
if (!stObj->surface_based) {
_mesa_clear_texture_object(ctx, texObj);
stObj->surface_based = GL_TRUE;
}
texFormat = st_pipe_format_to_mesa_format(ps->format);
_mesa_init_teximage_fields(ctx, texImage,
ps->width, ps->height, 1, 0, internalFormat,
texFormat);
/* FIXME create a non-default sampler view from the pipe_surface? */
pipe_resource_reference(&stObj->pt, ps->texture);
pipe_sampler_view_reference(&stObj->sampler_view, NULL);
pipe_resource_reference(&stImage->pt, stObj->pt);
stObj->width0 = ps->width;
stObj->height0 = ps->height;
stObj->depth0 = 1;
stObj->surface_format = ps->format;
_mesa_dirty_texobj(ctx, texObj);
}
/**
* Called via ctx->Driver.GetTexImage()
*/
static void
st_GetTexImage(struct gl_context * ctx,
GLenum format, GLenum type, GLvoid * pixels,
struct gl_texture_image *texImage)
{
struct st_texture_image *stImage = st_texture_image(texImage);
if (stImage->pt && util_format_is_s3tc(stImage->pt->format)) {
/* Need to decompress the texture.
* We'll do this by rendering a textured quad (which is hopefully
* faster than using the fallback code in texcompress.c).
* Note that we only expect RGBA formats (no Z/depth formats).
*/
decompress_with_blit(ctx, format, type, pixels, texImage);
}
else {
_mesa_get_teximage(ctx, format, type, pixels, texImage);
}
}
/**
* 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
st_vdpau_unmap_surface(struct gl_context *ctx, GLenum target, GLenum access,
GLboolean output, struct gl_texture_object *texObj,
struct gl_texture_image *texImage,
const void *vdpSurface, GLuint index)
{
struct st_context *st = st_context(ctx);
struct st_texture_object *stObj = st_texture_object(texObj);
struct st_texture_image *stImage = st_texture_image(texImage);
pipe_resource_reference(&stObj->pt, NULL);
st_texture_release_all_sampler_views(st, stObj);
pipe_resource_reference(&stImage->pt, NULL);
stObj->layer_override = 0;
_mesa_dirty_texobj(ctx, texObj);
st_flush(st, NULL, 0);
}
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;
}
static void
st_vdpau_map_surface(struct gl_context *ctx, GLenum target, GLenum access,
GLboolean output, struct gl_texture_object *texObj,
struct gl_texture_image *texImage,
const GLvoid *vdpSurface, GLuint index)
{
int (*getProcAddr)(uint32_t device, uint32_t id, void **ptr);
uint32_t device = (uintptr_t)ctx->vdpDevice;
struct st_context *st = st_context(ctx);
struct st_texture_object *stObj = st_texture_object(texObj);
struct st_texture_image *stImage = st_texture_image(texImage);
struct pipe_resource *res;
struct pipe_sampler_view *sv, templ;
gl_format texFormat;
getProcAddr = ctx->vdpGetProcAddress;
if (output) {
VdpOutputSurfaceGallium *f;
if (getProcAddr(device, VDP_FUNC_ID_OUTPUT_SURFACE_GALLIUM, (void**)&f)) {
_mesa_error(ctx, GL_INVALID_OPERATION, "VDPAUMapSurfacesNV");
return;
}
res = f((uintptr_t)vdpSurface);
if (!res) {
_mesa_error(ctx, GL_INVALID_OPERATION, "VDPAUMapSurfacesNV");
return;
}
} else {
VdpVideoSurfaceGallium *f;
struct pipe_video_buffer *buffer;
struct pipe_sampler_view **samplers;
if (getProcAddr(device, VDP_FUNC_ID_VIDEO_SURFACE_GALLIUM, (void**)&f)) {
_mesa_error(ctx, GL_INVALID_OPERATION, "VDPAUMapSurfacesNV");
return;
}
buffer = f((uintptr_t)vdpSurface);
if (!buffer) {
_mesa_error(ctx, GL_INVALID_OPERATION, "VDPAUMapSurfacesNV");
return;
}
samplers = buffer->get_sampler_view_planes(buffer);
if (!samplers) {
_mesa_error(ctx, GL_INVALID_OPERATION, "VDPAUMapSurfacesNV");
return;
}
sv = samplers[index >> 1];
if (!sv) {
_mesa_error(ctx, GL_INVALID_OPERATION, "VDPAUMapSurfacesNV");
return;
}
res = sv->texture;
}
if (!res) {
_mesa_error(ctx, GL_INVALID_OPERATION, "VDPAUMapSurfacesNV");
return;
}
/* do we have different screen objects ? */
if (res->screen != st->pipe->screen) {
_mesa_error(ctx, GL_INVALID_OPERATION, "VDPAUMapSurfacesNV");
return;
}
/* switch to surface based */
if (!stObj->surface_based) {
_mesa_clear_texture_object(ctx, texObj);
stObj->surface_based = GL_TRUE;
}
texFormat = st_pipe_format_to_mesa_format(res->format);
_mesa_init_teximage_fields(ctx, texImage,
res->width0, res->height0, 1, 0, GL_RGBA,
texFormat);
pipe_resource_reference(&stObj->pt, res);
pipe_sampler_view_reference(&stObj->sampler_view, NULL);
pipe_resource_reference(&stImage->pt, res);
u_sampler_view_default_template(&templ, res, res->format);
templ.u.tex.first_layer = index & 1;
templ.u.tex.last_layer = index & 1;
templ.swizzle_r = GET_SWZ(stObj->base._Swizzle, 0);
templ.swizzle_g = GET_SWZ(stObj->base._Swizzle, 1);
templ.swizzle_b = GET_SWZ(stObj->base._Swizzle, 2);
templ.swizzle_a = GET_SWZ(stObj->base._Swizzle, 3);
stObj->sampler_view = st->pipe->create_sampler_view(st->pipe, res, &templ);
stObj->width0 = res->width0;
stObj->height0 = res->height0;
stObj->depth0 = 1;
stObj->surface_format = res->format;
_mesa_dirty_texobj(ctx, texObj);
}
static void
st_vdpau_map_surface(struct gl_context *ctx, GLenum target, GLenum access,
GLboolean output, struct gl_texture_object *texObj,
struct gl_texture_image *texImage,
const void *vdpSurface, GLuint index)
{
struct st_context *st = st_context(ctx);
struct st_texture_object *stObj = st_texture_object(texObj);
struct st_texture_image *stImage = st_texture_image(texImage);
struct pipe_resource *res;
struct pipe_sampler_view templ, **sampler_view;
mesa_format texFormat;
if (output) {
res = st_vdpau_output_surface_dma_buf(ctx, vdpSurface);
if (!res)
res = st_vdpau_output_surface_gallium(ctx, vdpSurface);
} else {
res = st_vdpau_video_surface_dma_buf(ctx, vdpSurface, index);
if (!res)
res = st_vdpau_video_surface_gallium(ctx, vdpSurface, index);
}
if (!res) {
_mesa_error(ctx, GL_INVALID_OPERATION, "VDPAUMapSurfacesNV");
return;
}
/* do we have different screen objects ? */
if (res->screen != st->pipe->screen) {
_mesa_error(ctx, GL_INVALID_OPERATION, "VDPAUMapSurfacesNV");
return;
}
/* switch to surface based */
if (!stObj->surface_based) {
_mesa_clear_texture_object(ctx, texObj);
stObj->surface_based = GL_TRUE;
}
texFormat = st_pipe_format_to_mesa_format(res->format);
_mesa_init_teximage_fields(ctx, texImage,
res->width0, res->height0, 1, 0, GL_RGBA,
texFormat);
pipe_resource_reference(&stObj->pt, res);
st_texture_release_all_sampler_views(st, stObj);
pipe_resource_reference(&stImage->pt, res);
u_sampler_view_default_template(&templ, res, res->format);
templ.u.tex.first_layer = index & 1;
templ.u.tex.last_layer = index & 1;
templ.swizzle_r = GET_SWZ(stObj->base._Swizzle, 0);
templ.swizzle_g = GET_SWZ(stObj->base._Swizzle, 1);
templ.swizzle_b = GET_SWZ(stObj->base._Swizzle, 2);
templ.swizzle_a = GET_SWZ(stObj->base._Swizzle, 3);
sampler_view = st_texture_get_sampler_view(st, stObj);
*sampler_view = st->pipe->create_sampler_view(st->pipe, res, &templ);
stObj->surface_format = res->format;
_mesa_dirty_texobj(ctx, texObj);
}
/**
* Do a CopyTex[Sub]Image1/2/3D() using a hardware (blit) path if possible.
* Note that the region to copy has already been clipped so we know we
* won't read from outside the source renderbuffer's bounds.
*
* Note: srcY=0=Bottom of renderbuffer (GL convention)
*/
static void
st_CopyTexSubImage(struct gl_context *ctx, GLuint dims,
struct gl_texture_image *texImage,
GLint destX, GLint destY, GLint destZ,
struct gl_renderbuffer *rb,
GLint srcX, GLint srcY, GLsizei width, GLsizei height)
{
struct st_texture_image *stImage = st_texture_image(texImage);
const GLenum texBaseFormat = texImage->_BaseFormat;
struct st_renderbuffer *strb = st_renderbuffer(rb);
struct st_context *st = st_context(ctx);
struct pipe_context *pipe = st->pipe;
struct pipe_screen *screen = pipe->screen;
enum pipe_format dest_format, src_format;
GLboolean matching_base_formats;
GLuint color_writemask, zs_writemask, sample_count;
struct pipe_surface *dest_surface = NULL;
GLboolean do_flip = (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP);
struct pipe_surface surf_tmpl;
unsigned int dst_usage;
GLint srcY0, srcY1;
/* make sure finalize_textures has been called?
*/
if (0) st_validate_state(st);
if (!strb || !strb->surface || !stImage->pt) {
debug_printf("%s: null strb or stImage\n", __FUNCTION__);
return;
}
sample_count = strb->surface->texture->nr_samples;
/* I believe this would be legal, presumably would need to do a resolve
for color, and for depth/stencil spec says to just use one of the
depth/stencil samples per pixel? Need some transfer clarifications. */
assert(sample_count < 2);
assert(strb);
assert(strb->surface);
assert(stImage->pt);
src_format = strb->surface->format;
dest_format = stImage->pt->format;
/*
* Determine if the src framebuffer and dest texture have the same
* base format. We need this to detect a case such as the framebuffer
* being GL_RGBA but the texture being GL_RGB. If the actual hardware
* texture format stores RGBA we need to set A=1 (overriding the
* framebuffer's alpha values). We can't do that with the blit or
* textured-quad paths.
*/
matching_base_formats =
(_mesa_get_format_base_format(strb->Base.Format) ==
_mesa_get_format_base_format(texImage->TexFormat));
if (ctx->_ImageTransferState) {
goto fallback;
}
if (texImage->TexObject->Target == GL_TEXTURE_1D_ARRAY) {
/* 1D arrays might be thought of as 2D images but the actual layout
* might not be that way. At some points, we convert OpenGL's 1D
* array 'height' into gallium 'layers' and that prevents the blit
* utility code from doing the right thing. Simpy use the memcpy-based
* fallback.
*/
goto fallback;
}
if (matching_base_formats &&
src_format == dest_format &&
!do_flip) {
/* use surface_copy() / blit */
struct pipe_box src_box;
unsigned dstLevel;
u_box_2d_zslice(srcX, srcY, strb->surface->u.tex.first_layer,
width, height, &src_box);
/* If stImage->pt is an independent image (not a pointer into a full
* mipmap) stImage->pt.last_level will be zero and we need to use that
* as the dest level.
*/
dstLevel = MIN2(stImage->base.Level, stImage->pt->last_level);
/* for resource_copy_region(), y=0=top, always */
pipe->resource_copy_region(pipe,
/* dest */
stImage->pt,
dstLevel,
destX, destY, destZ + stImage->base.Face,
/* src */
strb->texture,
strb->surface->u.tex.level,
&src_box);
return;
}
if (texBaseFormat == GL_DEPTH_STENCIL) {
goto fallback;
}
if (texBaseFormat == GL_DEPTH_COMPONENT) {
color_writemask = 0;
zs_writemask = BLIT_WRITEMASK_Z;
dst_usage = PIPE_BIND_DEPTH_STENCIL;
}
else {
color_writemask = compatible_src_dst_formats(ctx, &strb->Base, texImage);
zs_writemask = 0;
dst_usage = PIPE_BIND_RENDER_TARGET;
}
if ((!color_writemask && !zs_writemask) ||
!screen->is_format_supported(screen, src_format,
PIPE_TEXTURE_2D, sample_count,
PIPE_BIND_SAMPLER_VIEW) ||
!screen->is_format_supported(screen, dest_format,
PIPE_TEXTURE_2D, 0,
dst_usage)) {
goto fallback;
}
if (do_flip) {
srcY1 = strb->Base.Height - srcY - height;
srcY0 = srcY1 + height;
}
else {
srcY0 = srcY;
srcY1 = srcY0 + height;
}
/* Disable conditional rendering. */
if (st->render_condition) {
pipe->render_condition(pipe, NULL, 0);
}
memset(&surf_tmpl, 0, sizeof(surf_tmpl));
surf_tmpl.format = util_format_linear(stImage->pt->format);
surf_tmpl.usage = dst_usage;
surf_tmpl.u.tex.level = stImage->base.Level;
surf_tmpl.u.tex.first_layer = stImage->base.Face + destZ;
surf_tmpl.u.tex.last_layer = stImage->base.Face + destZ;
dest_surface = pipe->create_surface(pipe, stImage->pt,
&surf_tmpl);
util_blit_pixels(st->blit,
strb->texture,
strb->surface->u.tex.level,
srcX, srcY0,
srcX + width, srcY1,
strb->surface->u.tex.first_layer,
dest_surface,
destX, destY,
destX + width, destY + height,
0.0, PIPE_TEX_MIPFILTER_NEAREST,
color_writemask, zs_writemask);
pipe_surface_reference(&dest_surface, NULL);
/* Restore conditional rendering state. */
if (st->render_condition) {
pipe->render_condition(pipe, st->render_condition,
st->condition_mode);
}
return;
fallback:
/* software fallback */
fallback_copy_texsubimage(ctx,
strb, stImage, texBaseFormat,
destX, destY, destZ,
srcX, srcY, width, height);
}
static void
st_bind_egl_image(struct gl_context *ctx,
struct gl_texture_object *texObj,
struct gl_texture_image *texImage,
struct st_egl_image *stimg)
{
struct st_context *st = st_context(ctx);
struct st_texture_object *stObj;
struct st_texture_image *stImage;
GLenum internalFormat;
mesa_format texFormat;
/* map pipe format to base format */
if (util_format_get_component_bits(stimg->format,
UTIL_FORMAT_COLORSPACE_RGB, 3) > 0)
internalFormat = GL_RGBA;
else
internalFormat = GL_RGB;
stObj = st_texture_object(texObj);
stImage = st_texture_image(texImage);
/* switch to surface based */
if (!stObj->surface_based) {
_mesa_clear_texture_object(ctx, texObj, NULL);
stObj->surface_based = GL_TRUE;
}
texFormat = st_pipe_format_to_mesa_format(stimg->format);
/* TODO RequiredTextureImageUnits should probably be reset back
* to 1 somewhere if different texture is bound??
*/
if (texFormat == MESA_FORMAT_NONE) {
switch (stimg->format) {
case PIPE_FORMAT_NV12:
texFormat = MESA_FORMAT_R_UNORM8;
texObj->RequiredTextureImageUnits = 2;
break;
case PIPE_FORMAT_IYUV:
texFormat = MESA_FORMAT_R_UNORM8;
texObj->RequiredTextureImageUnits = 3;
break;
default:
unreachable("bad YUV format!");
}
}
_mesa_init_teximage_fields(ctx, texImage,
stimg->texture->width0, stimg->texture->height0,
1, 0, internalFormat, texFormat);
pipe_resource_reference(&stObj->pt, stimg->texture);
st_texture_release_all_sampler_views(st, stObj);
pipe_resource_reference(&stImage->pt, stObj->pt);
stObj->surface_format = stimg->format;
stObj->level_override = stimg->level;
stObj->layer_override = stimg->layer;
_mesa_dirty_texobj(ctx, texObj);
}
/**
* Do a CopyTex[Sub]Image1/2/3D() using a hardware (blit) path if possible.
* Note that the region to copy has already been clipped so we know we
* won't read from outside the source renderbuffer's bounds.
*
* Note: srcY=0=Bottom of renderbuffer (GL convention)
*/
static void
st_copy_texsubimage(struct gl_context *ctx,
struct gl_texture_image *texImage,
GLint destX, GLint destY, GLint destZ,
struct gl_renderbuffer *rb,
GLint srcX, GLint srcY,
GLsizei width, GLsizei height)
{
struct st_texture_image *stImage = st_texture_image(texImage);
const GLenum texBaseFormat = texImage->_BaseFormat;
struct gl_framebuffer *fb = ctx->ReadBuffer;
struct st_renderbuffer *strb;
struct st_context *st = st_context(ctx);
struct pipe_context *pipe = st->pipe;
struct pipe_screen *screen = pipe->screen;
enum pipe_format dest_format, src_format;
GLboolean matching_base_formats;
GLuint format_writemask, sample_count;
struct pipe_surface *dest_surface = NULL;
GLboolean do_flip = (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP);
struct pipe_surface surf_tmpl;
unsigned int dst_usage;
GLint srcY0, srcY1;
/* make sure finalize_textures has been called?
*/
if (0) st_validate_state(st);
/* determine if copying depth or color data */
if (texBaseFormat == GL_DEPTH_COMPONENT ||
texBaseFormat == GL_DEPTH_STENCIL) {
strb = st_renderbuffer(fb->Attachment[BUFFER_DEPTH].Renderbuffer);
}
else {
/* texBaseFormat == GL_RGB, GL_RGBA, GL_ALPHA, etc */
strb = st_renderbuffer(fb->_ColorReadBuffer);
}
if (!strb || !strb->surface || !stImage->pt) {
debug_printf("%s: null strb or stImage\n", __FUNCTION__);
return;
}
sample_count = strb->surface->texture->nr_samples;
/* I believe this would be legal, presumably would need to do a resolve
for color, and for depth/stencil spec says to just use one of the
depth/stencil samples per pixel? Need some transfer clarifications. */
assert(sample_count < 2);
assert(strb);
assert(strb->surface);
assert(stImage->pt);
src_format = strb->surface->format;
dest_format = stImage->pt->format;
/*
* Determine if the src framebuffer and dest texture have the same
* base format. We need this to detect a case such as the framebuffer
* being GL_RGBA but the texture being GL_RGB. If the actual hardware
* texture format stores RGBA we need to set A=1 (overriding the
* framebuffer's alpha values). We can't do that with the blit or
* textured-quad paths.
*/
matching_base_formats =
(_mesa_get_format_base_format(strb->Base.Format) ==
_mesa_get_format_base_format(texImage->TexFormat));
if (ctx->_ImageTransferState) {
goto fallback;
}
if (matching_base_formats &&
src_format == dest_format &&
!do_flip) {
/* use surface_copy() / blit */
struct pipe_box src_box;
u_box_2d_zslice(srcX, srcY, strb->surface->u.tex.first_layer,
width, height, &src_box);
/* for resource_copy_region(), y=0=top, always */
pipe->resource_copy_region(pipe,
/* dest */
stImage->pt,
stImage->base.Level,
destX, destY, destZ + stImage->base.Face,
/* src */
strb->texture,
strb->surface->u.tex.level,
&src_box);
return;
}
if (texBaseFormat == GL_DEPTH_STENCIL) {
goto fallback;
}
if (texBaseFormat == GL_DEPTH_COMPONENT) {
format_writemask = TGSI_WRITEMASK_XYZW;
dst_usage = PIPE_BIND_DEPTH_STENCIL;
}
else {
format_writemask = compatible_src_dst_formats(ctx, &strb->Base, texImage);
dst_usage = PIPE_BIND_RENDER_TARGET;
}
if (!format_writemask ||
!screen->is_format_supported(screen, src_format,
PIPE_TEXTURE_2D, sample_count,
PIPE_BIND_SAMPLER_VIEW) ||
!screen->is_format_supported(screen, dest_format,
PIPE_TEXTURE_2D, 0,
dst_usage)) {
goto fallback;
}
if (do_flip) {
srcY1 = strb->Base.Height - srcY - height;
srcY0 = srcY1 + height;
}
else {
srcY0 = srcY;
srcY1 = srcY0 + height;
}
/* Disable conditional rendering. */
if (st->render_condition) {
pipe->render_condition(pipe, NULL, 0);
}
memset(&surf_tmpl, 0, sizeof(surf_tmpl));
surf_tmpl.format = util_format_linear(stImage->pt->format);
surf_tmpl.usage = dst_usage;
surf_tmpl.u.tex.level = stImage->base.Level;
surf_tmpl.u.tex.first_layer = stImage->base.Face + destZ;
surf_tmpl.u.tex.last_layer = stImage->base.Face + destZ;
dest_surface = pipe->create_surface(pipe, stImage->pt,
&surf_tmpl);
util_blit_pixels_writemask(st->blit,
strb->texture,
strb->surface->u.tex.level,
srcX, srcY0,
srcX + width, srcY1,
strb->surface->u.tex.first_layer,
dest_surface,
destX, destY,
destX + width, destY + height,
0.0, PIPE_TEX_MIPFILTER_NEAREST,
format_writemask);
pipe_surface_reference(&dest_surface, NULL);
/* Restore conditional rendering state. */
if (st->render_condition) {
pipe->render_condition(pipe, st->render_condition,
st->condition_mode);
}
return;
fallback:
/* software fallback */
fallback_copy_texsubimage(ctx,
strb, stImage, texBaseFormat,
destX, destY, destZ,
srcX, srcY, width, height);
}
/**
* glGetTexImage() helper: decompress a compressed texture by rendering
* a textured quad. Store the results in the user's buffer.
*/
static void
decompress_with_blit(struct gl_context * ctx,
GLenum format, GLenum type, GLvoid *pixels,
struct gl_texture_image *texImage)
{
struct st_context *st = st_context(ctx);
struct pipe_context *pipe = st->pipe;
struct st_texture_image *stImage = st_texture_image(texImage);
struct st_texture_object *stObj = st_texture_object(texImage->TexObject);
const GLuint width = texImage->Width;
const GLuint height = texImage->Height;
struct pipe_resource *dst_texture;
struct pipe_blit_info blit;
unsigned bind = (PIPE_BIND_RENDER_TARGET | PIPE_BIND_TRANSFER_READ);
struct pipe_transfer *tex_xfer;
ubyte *map;
/* create temp / dest surface */
if (!util_create_rgba_texture(pipe, width, height, bind,
&dst_texture)) {
_mesa_problem(ctx, "util_create_rgba_texture() failed "
"in decompress_with_blit()");
return;
}
blit.src.resource = stObj->pt;
blit.src.level = texImage->Level;
blit.src.format = util_format_linear(stObj->pt->format);
blit.dst.resource = dst_texture;
blit.dst.level = 0;
blit.dst.format = dst_texture->format;
blit.src.box.x = blit.dst.box.x = 0;
blit.src.box.y = blit.dst.box.y = 0;
blit.src.box.z = 0; /* XXX compressed array textures? */
blit.dst.box.z = 0;
blit.src.box.width = blit.dst.box.width = width;
blit.src.box.height = blit.dst.box.height = height;
blit.src.box.depth = blit.dst.box.depth = 1;
blit.mask = PIPE_MASK_RGBA;
blit.filter = PIPE_TEX_FILTER_NEAREST;
blit.scissor_enable = FALSE;
/* blit/render/decompress */
st->pipe->blit(st->pipe, &blit);
pixels = _mesa_map_pbo_dest(ctx, &ctx->Pack, pixels);
map = pipe_transfer_map(pipe, dst_texture, 0, 0,
PIPE_TRANSFER_READ,
0, 0, width, height, &tex_xfer);
if (!map) {
goto end;
}
/* copy/pack data into user buffer */
if (_mesa_format_matches_format_and_type(stImage->base.TexFormat,
format, type,
ctx->Pack.SwapBytes)) {
/* memcpy */
const uint bytesPerRow = width * util_format_get_blocksize(stImage->pt->format);
/* map the dst_surface so we can read from it */
GLuint row;
for (row = 0; row < height; row++) {
GLvoid *dest = _mesa_image_address2d(&ctx->Pack, pixels, width,
height, format, type, row, 0);
memcpy(dest, map, bytesPerRow);
map += tex_xfer->stride;
}
pipe_transfer_unmap(pipe, tex_xfer);
}
else {
/* format translation via floats */
GLuint row;
enum pipe_format pformat = util_format_linear(dst_texture->format);
GLfloat *rgba;
rgba = malloc(width * 4 * sizeof(GLfloat));
if (!rgba) {
_mesa_error(ctx, GL_OUT_OF_MEMORY, "glGetTexImage()");
goto end;
}
for (row = 0; row < height; row++) {
const GLbitfield transferOps = 0x0; /* bypassed for glGetTexImage() */
GLvoid *dest = _mesa_image_address2d(&ctx->Pack, pixels, width,
height, format, type, row, 0);
if (ST_DEBUG & DEBUG_FALLBACK)
debug_printf("%s: fallback format translation\n", __FUNCTION__);
/* get float[4] rgba row from surface */
pipe_get_tile_rgba_format(tex_xfer, map, 0, row, width, 1,
pformat, rgba);
_mesa_pack_rgba_span_float(ctx, width, (GLfloat (*)[4]) rgba, format,
type, dest, &ctx->Pack, transferOps);
}
free(rgba);
}
end:
if (map)
pipe_transfer_unmap(pipe, tex_xfer);
_mesa_unmap_pbo_dest(ctx, &ctx->Pack);
pipe_resource_reference(&dst_texture, NULL);
}
/**
* Called via ctx->Driver.AllocTextureImageBuffer().
* If the texture object/buffer already has space for the indicated image,
* we're done. Otherwise, allocate memory for the new texture image.
*/
static GLboolean
st_AllocTextureImageBuffer(struct gl_context *ctx,
struct gl_texture_image *texImage)
{
struct st_context *st = st_context(ctx);
struct st_texture_image *stImage = st_texture_image(texImage);
struct st_texture_object *stObj = st_texture_object(texImage->TexObject);
const GLuint level = texImage->Level;
GLuint width = texImage->Width;
GLuint height = texImage->Height;
GLuint depth = texImage->Depth;
DBG("%s\n", __FUNCTION__);
assert(!stImage->TexData);
assert(!stImage->pt); /* xxx this might be wrong */
/* Look if the parent texture object has space for this image */
if (stObj->pt &&
level <= stObj->pt->last_level &&
st_texture_match_image(stObj->pt, texImage)) {
/* this image will fit in the existing texture object's memory */
pipe_resource_reference(&stImage->pt, stObj->pt);
return GL_TRUE;
}
/* The parent texture object does not have space for this image */
pipe_resource_reference(&stObj->pt, NULL);
pipe_sampler_view_release(st->pipe, &stObj->sampler_view);
if (!guess_and_alloc_texture(st, stObj, stImage)) {
/* Probably out of memory.
* Try flushing any pending rendering, then retry.
*/
st_finish(st);
if (!guess_and_alloc_texture(st, stObj, stImage)) {
_mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage");
return GL_FALSE;
}
}
if (stObj->pt &&
st_texture_match_image(stObj->pt, texImage)) {
/* The image will live in the object's mipmap memory */
pipe_resource_reference(&stImage->pt, stObj->pt);
assert(stImage->pt);
return GL_TRUE;
}
else {
/* Create a new, temporary texture/resource/buffer to hold this
* one texture image. Note that when we later access this image
* (either for mapping or copying) we'll want to always specify
* mipmap level=0, even if the image represents some other mipmap
* level.
*/
enum pipe_format format =
st_mesa_format_to_pipe_format(texImage->TexFormat);
GLuint bindings = default_bindings(st, format);
GLuint ptWidth, ptHeight, ptDepth, ptLayers;
st_gl_texture_dims_to_pipe_dims(stObj->base.Target,
width, height, depth,
&ptWidth, &ptHeight, &ptDepth, &ptLayers);
stImage->pt = st_texture_create(st,
gl_target_to_pipe(stObj->base.Target),
format,
0, /* lastLevel */
ptWidth,
ptHeight,
ptDepth,
ptLayers,
bindings);
return stImage->pt != NULL;
}
}
/**
* glGetTexImage() helper: decompress a compressed texture by rendering
* a textured quad. Store the results in the user's buffer.
*/
static void
decompress_with_blit(struct gl_context * ctx,
GLenum format, GLenum type, GLvoid *pixels,
struct gl_texture_image *texImage)
{
struct st_context *st = st_context(ctx);
struct pipe_context *pipe = st->pipe;
struct st_texture_image *stImage = st_texture_image(texImage);
struct st_texture_object *stObj = st_texture_object(texImage->TexObject);
struct pipe_sampler_view *src_view;
const GLuint width = texImage->Width;
const GLuint height = texImage->Height;
struct pipe_surface *dst_surface;
struct pipe_resource *dst_texture;
struct pipe_transfer *tex_xfer;
unsigned bind = (PIPE_BIND_RENDER_TARGET | /* util_blit may choose to render */
PIPE_BIND_TRANSFER_READ);
/* create temp / dest surface */
if (!util_create_rgba_surface(pipe, width, height, bind,
&dst_texture, &dst_surface)) {
_mesa_problem(ctx, "util_create_rgba_surface() failed "
"in decompress_with_blit()");
return;
}
/* Disable conditional rendering. */
if (st->render_condition) {
pipe->render_condition(pipe, NULL, 0);
}
/* Create sampler view that limits fetches to the source mipmap level */
{
struct pipe_sampler_view sv_temp;
u_sampler_view_default_template(&sv_temp, stObj->pt, stObj->pt->format);
sv_temp.format = util_format_linear(sv_temp.format);
sv_temp.u.tex.first_level =
sv_temp.u.tex.last_level = texImage->Level;
src_view = pipe->create_sampler_view(pipe, stObj->pt, &sv_temp);
if (!src_view) {
_mesa_error(ctx, GL_OUT_OF_MEMORY, "glGetTexImage");
return;
}
}
/* blit/render/decompress */
util_blit_pixels_tex(st->blit,
src_view, /* pipe_resource (src) */
0, 0, /* src x0, y0 */
width, height, /* src x1, y1 */
dst_surface, /* pipe_surface (dst) */
0, 0, /* dst x0, y0 */
width, height, /* dst x1, y1 */
0.0, /* z */
PIPE_TEX_MIPFILTER_NEAREST);
/* Restore conditional rendering state. */
if (st->render_condition) {
pipe->render_condition(pipe, st->render_condition,
st->condition_mode);
}
/* map the dst_surface so we can read from it */
tex_xfer = pipe_get_transfer(pipe,
dst_texture, 0, 0,
PIPE_TRANSFER_READ,
0, 0, width, height);
pixels = _mesa_map_pbo_dest(ctx, &ctx->Pack, pixels);
/* copy/pack data into user buffer */
if (_mesa_format_matches_format_and_type(stImage->base.TexFormat,
format, type,
ctx->Pack.SwapBytes)) {
/* memcpy */
const uint bytesPerRow = width * util_format_get_blocksize(stImage->pt->format);
ubyte *map = pipe_transfer_map(pipe, tex_xfer);
GLuint row;
for (row = 0; row < height; row++) {
GLvoid *dest = _mesa_image_address2d(&ctx->Pack, pixels, width,
height, format, type, row, 0);
memcpy(dest, map, bytesPerRow);
map += tex_xfer->stride;
}
pipe_transfer_unmap(pipe, tex_xfer);
}
else {
/* format translation via floats */
GLuint row;
enum pipe_format pformat = util_format_linear(dst_texture->format);
GLfloat *rgba;
rgba = (GLfloat *) malloc(width * 4 * sizeof(GLfloat));
if (!rgba) {
_mesa_error(ctx, GL_OUT_OF_MEMORY, "glGetTexImage()");
goto end;
}
for (row = 0; row < height; row++) {
const GLbitfield transferOps = 0x0; /* bypassed for glGetTexImage() */
GLvoid *dest = _mesa_image_address2d(&ctx->Pack, pixels, width,
height, format, type, row, 0);
if (ST_DEBUG & DEBUG_FALLBACK)
debug_printf("%s: fallback format translation\n", __FUNCTION__);
/* get float[4] rgba row from surface */
pipe_get_tile_rgba_format(pipe, tex_xfer, 0, row, width, 1,
pformat, rgba);
_mesa_pack_rgba_span_float(ctx, width, (GLfloat (*)[4]) rgba, format,
type, dest, &ctx->Pack, transferOps);
}
free(rgba);
}
end:
_mesa_unmap_pbo_dest(ctx, &ctx->Pack);
pipe->transfer_destroy(pipe, tex_xfer);
/* destroy the temp / dest surface */
util_destroy_rgba_surface(dst_texture, dst_surface);
pipe_sampler_view_release(pipe, &src_view);
}
/**
* Called during state validation. When this function is finished,
* the texture object should be ready for rendering.
* \return GL_TRUE for success, GL_FALSE for failure (out of mem)
*/
GLboolean
st_finalize_texture(struct gl_context *ctx,
struct pipe_context *pipe,
struct gl_texture_object *tObj)
{
struct st_context *st = st_context(ctx);
struct st_texture_object *stObj = st_texture_object(tObj);
const GLuint nr_faces = (stObj->base.Target == GL_TEXTURE_CUBE_MAP) ? 6 : 1;
GLuint face;
struct st_texture_image *firstImage;
enum pipe_format firstImageFormat;
GLuint ptWidth, ptHeight, ptDepth, ptLayers;
if (_mesa_is_texture_complete(tObj, &tObj->Sampler)) {
/* The texture is complete and we know exactly how many mipmap levels
* are present/needed. This is conditional because we may be called
* from the st_generate_mipmap() function when the texture object is
* incomplete. In that case, we'll have set stObj->lastLevel before
* we get here.
*/
if (stObj->base.Sampler.MinFilter == GL_LINEAR ||
stObj->base.Sampler.MinFilter == GL_NEAREST)
stObj->lastLevel = stObj->base.BaseLevel;
else
stObj->lastLevel = stObj->base._MaxLevel;
}
firstImage = st_texture_image(stObj->base.Image[0][stObj->base.BaseLevel]);
assert(firstImage);
/* If both firstImage and stObj point to a texture which can contain
* all active images, favour firstImage. Note that because of the
* completeness requirement, we know that the image dimensions
* will match.
*/
if (firstImage->pt &&
firstImage->pt != stObj->pt &&
(!stObj->pt || firstImage->pt->last_level >= stObj->pt->last_level)) {
pipe_resource_reference(&stObj->pt, firstImage->pt);
pipe_sampler_view_release(st->pipe, &stObj->sampler_view);
}
/* Find gallium format for the Mesa texture */
firstImageFormat = st_mesa_format_to_pipe_format(firstImage->base.TexFormat);
/* Find size of level=0 Gallium mipmap image, plus number of texture layers */
{
GLuint width, height, depth;
if (!guess_base_level_size(stObj->base.Target,
firstImage->base.Width2,
firstImage->base.Height2,
firstImage->base.Depth2,
firstImage->base.Level,
&width, &height, &depth)) {
width = stObj->width0;
height = stObj->height0;
depth = stObj->depth0;
}
/* convert GL dims to Gallium dims */
st_gl_texture_dims_to_pipe_dims(stObj->base.Target, width, height, depth,
&ptWidth, &ptHeight, &ptDepth, &ptLayers);
}
/* If we already have a gallium texture, check that it matches the texture
* object's format, target, size, num_levels, etc.
*/
if (stObj->pt) {
if (stObj->pt->target != gl_target_to_pipe(stObj->base.Target) ||
!st_sampler_compat_formats(stObj->pt->format, firstImageFormat) ||
stObj->pt->last_level < stObj->lastLevel ||
stObj->pt->width0 != ptWidth ||
stObj->pt->height0 != ptHeight ||
stObj->pt->depth0 != ptDepth ||
stObj->pt->array_size != ptLayers)
{
/* The gallium texture does not match the Mesa texture so delete the
* gallium texture now. We'll make a new one below.
*/
pipe_resource_reference(&stObj->pt, NULL);
pipe_sampler_view_release(st->pipe, &stObj->sampler_view);
st->dirty.st |= ST_NEW_FRAMEBUFFER;
}
}
/* May need to create a new gallium texture:
*/
if (!stObj->pt) {
GLuint bindings = default_bindings(st, firstImageFormat);
stObj->pt = st_texture_create(st,
gl_target_to_pipe(stObj->base.Target),
firstImageFormat,
stObj->lastLevel,
ptWidth,
ptHeight,
ptDepth,
ptLayers,
bindings);
if (!stObj->pt) {
_mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage");
return GL_FALSE;
}
}
/* Pull in any images not in the object's texture:
*/
for (face = 0; face < nr_faces; face++) {
GLuint level;
for (level = stObj->base.BaseLevel; level <= stObj->lastLevel; level++) {
struct st_texture_image *stImage =
st_texture_image(stObj->base.Image[face][level]);
/* Need to import images in main memory or held in other textures.
*/
if (stImage && stObj->pt != stImage->pt) {
if (level == 0 ||
(stImage->base.Width == u_minify(stObj->width0, level) &&
stImage->base.Height == u_minify(stObj->height0, level) &&
stImage->base.Depth == u_minify(stObj->depth0, level))) {
/* src image fits expected dest mipmap level size */
copy_image_data_to_texture(st, stObj, level, stImage);
}
}
}
}
return GL_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);
}
}
static void
st_vdpau_map_surface(struct gl_context *ctx, GLenum target, GLenum access,
GLboolean output, struct gl_texture_object *texObj,
struct gl_texture_image *texImage,
const void *vdpSurface, GLuint index)
{
struct st_context *st = st_context(ctx);
struct st_texture_object *stObj = st_texture_object(texObj);
struct st_texture_image *stImage = st_texture_image(texImage);
struct pipe_resource *res;
mesa_format texFormat;
uint layer_override = 0;
if (output) {
res = st_vdpau_output_surface_dma_buf(ctx, vdpSurface);
if (!res)
res = st_vdpau_output_surface_gallium(ctx, vdpSurface);
} else {
res = st_vdpau_video_surface_dma_buf(ctx, vdpSurface, index);
if (!res) {
res = st_vdpau_video_surface_gallium(ctx, vdpSurface, index);
layer_override = index & 1;
}
}
if (!res) {
_mesa_error(ctx, GL_INVALID_OPERATION, "VDPAUMapSurfacesNV");
return;
}
/* do we have different screen objects ? */
if (res->screen != st->pipe->screen) {
_mesa_error(ctx, GL_INVALID_OPERATION, "VDPAUMapSurfacesNV");
pipe_resource_reference(&res, NULL);
return;
}
/* switch to surface based */
if (!stObj->surface_based) {
_mesa_clear_texture_object(ctx, texObj);
stObj->surface_based = GL_TRUE;
}
texFormat = st_pipe_format_to_mesa_format(res->format);
_mesa_init_teximage_fields(ctx, texImage,
res->width0, res->height0, 1, 0, GL_RGBA,
texFormat);
pipe_resource_reference(&stObj->pt, res);
st_texture_release_all_sampler_views(st, stObj);
pipe_resource_reference(&stImage->pt, res);
stObj->surface_format = res->format;
stObj->layer_override = layer_override;
_mesa_dirty_texobj(ctx, texObj);
pipe_resource_reference(&res, NULL);
}
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 GLboolean
update_single_texture(struct st_context *st,
struct pipe_sampler_view **sampler_view,
GLuint texUnit)
{
struct pipe_context *pipe = st->pipe;
struct gl_context *ctx = st->ctx;
const struct gl_sampler_object *samp;
struct gl_texture_object *texObj;
struct st_texture_object *stObj;
enum pipe_format st_view_format;
GLboolean retval;
samp = _mesa_get_samplerobj(ctx, texUnit);
texObj = ctx->Texture.Unit[texUnit]._Current;
if (!texObj) {
texObj = _mesa_get_fallback_texture(ctx, TEXTURE_2D_INDEX);
samp = &texObj->Sampler;
}
stObj = st_texture_object(texObj);
retval = st_finalize_texture(ctx, st->pipe, texObj);
if (!retval) {
/* out of mem */
return GL_FALSE;
}
/* Determine the format of the texture sampler view */
st_view_format = stObj->pt->format;
{
const struct st_texture_image *firstImage =
st_texture_image(stObj->base.Image[0][stObj->base.BaseLevel]);
const gl_format texFormat = firstImage->base.TexFormat;
enum pipe_format firstImageFormat =
st_mesa_format_to_pipe_format(texFormat);
if ((samp->sRGBDecode == GL_SKIP_DECODE_EXT) &&
(_mesa_get_format_color_encoding(texFormat) == GL_SRGB)) {
/* Don't do sRGB->RGB conversion. Interpret the texture data as
* linear values.
*/
const gl_format linearFormat =
_mesa_get_srgb_format_linear(texFormat);
firstImageFormat = st_mesa_format_to_pipe_format(linearFormat);
}
if (firstImageFormat != stObj->pt->format)
st_view_format = firstImageFormat;
}
/* if sampler view has changed dereference it */
if (stObj->sampler_view) {
if (check_sampler_swizzle(stObj->sampler_view,
stObj->base._Swizzle,
samp->DepthMode) ||
(st_view_format != stObj->sampler_view->format) ||
stObj->base.BaseLevel != stObj->sampler_view->u.tex.first_level) {
pipe_sampler_view_reference(&stObj->sampler_view, NULL);
}
}
*sampler_view = st_get_texture_sampler_view_from_stobj(stObj, pipe,
samp,
st_view_format);
return GL_TRUE;
}
