0,0 → 1,160 |
/* |
* Mesa 3-D graphics library |
* |
* Copyright (C) 2010 LunarG Inc. |
* |
* Permission is hereby granted, free of charge, to any person obtaining a |
* copy of this software and associated documentation files (the "Software"), |
* to deal in the Software without restriction, including without limitation |
* the rights to use, copy, modify, merge, publish, distribute, sublicense, |
* and/or sell copies of the Software, and to permit persons to whom the |
* Software is furnished to do so, subject to the following conditions: |
* |
* The above copyright notice and this permission notice shall be included |
* in all copies or substantial portions of the Software. |
* |
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
* DEALINGS IN THE SOFTWARE. |
* |
* Authors: |
* Chia-I Wu <olv@lunarg.com> |
*/ |
|
#include "main/texobj.h" |
#include "main/teximage.h" |
#include "util/u_inlines.h" |
#include "util/u_format.h" |
#include "st_cb_eglimage.h" |
#include "st_cb_fbo.h" |
#include "st_context.h" |
#include "st_texture.h" |
#include "st_format.h" |
#include "st_manager.h" |
|
/** |
* Return the base format just like _mesa_base_fbo_format does. |
*/ |
static GLenum |
st_pipe_format_to_base_format(enum pipe_format format) |
{ |
GLenum base_format; |
|
if (util_format_is_depth_or_stencil(format)) { |
if (util_format_is_depth_and_stencil(format)) { |
base_format = GL_DEPTH_STENCIL; |
} |
else { |
if (format == PIPE_FORMAT_S8_UINT) |
base_format = GL_STENCIL_INDEX; |
else |
base_format = GL_DEPTH_COMPONENT; |
} |
} |
else { |
/* is this enough? */ |
if (util_format_has_alpha(format)) |
base_format = GL_RGBA; |
else |
base_format = GL_RGB; |
} |
|
return base_format; |
} |
|
static void |
st_egl_image_target_renderbuffer_storage(struct gl_context *ctx, |
struct gl_renderbuffer *rb, |
GLeglImageOES image_handle) |
{ |
struct st_context *st = st_context(ctx); |
struct st_renderbuffer *strb = st_renderbuffer(rb); |
struct pipe_surface *ps; |
|
ps = st_manager_get_egl_image_surface(st, (void *) image_handle); |
if (ps) { |
strb->Base.Width = ps->width; |
strb->Base.Height = ps->height; |
strb->Base.Format = st_pipe_format_to_mesa_format(ps->format); |
strb->Base._BaseFormat = st_pipe_format_to_base_format(ps->format); |
strb->Base.InternalFormat = strb->Base._BaseFormat; |
|
pipe_surface_reference(&strb->surface, ps); |
pipe_resource_reference(&strb->texture, ps->texture); |
|
pipe_surface_reference(&ps, 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_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(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); |
st_texture_release_all_sampler_views(st, stObj); |
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); |
} |
|
static void |
st_egl_image_target_texture_2d(struct gl_context *ctx, GLenum target, |
struct gl_texture_object *texObj, |
struct gl_texture_image *texImage, |
GLeglImageOES image_handle) |
{ |
struct st_context *st = st_context(ctx); |
struct pipe_surface *ps; |
|
ps = st_manager_get_egl_image_surface(st, (void *) image_handle); |
if (ps) { |
st_bind_surface(ctx, target, texObj, texImage, ps); |
pipe_surface_reference(&ps, NULL); |
} |
} |
|
void |
st_init_eglimage_functions(struct dd_function_table *functions) |
{ |
functions->EGLImageTargetTexture2D = st_egl_image_target_texture_2d; |
functions->EGLImageTargetRenderbufferStorage = st_egl_image_target_renderbuffer_storage; |
} |