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mesa/dd: Add a function for creating a texture from a buffer object

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Reviewed-by: Neil Roberts <neil@linux.intel.com>
This commit is contained in:
Jason Ekstrand 2015-01-07 21:13:15 -08:00
parent adc8cdfa35
commit 3298b1235a
1 changed files with 16 additions and 0 deletions
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16
src/mesa/main/dd.h
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@ -415,6 +415,22 @@ struct dd_function_table {
struct gl_texture_object *texObj,
struct gl_texture_object *origTexObj);
/** Sets the given buffer object as the texture's storage. The given
* texture must have target GL_TEXTURE_1D, GL_TEXTURE_2D,
* GL_TEXTURE_RECTANGLE, and GL_TEXTURE_2D_ARRAY; have only a single
* mipmap level; be immutable; and must not have any assigned storage.
* The format and dimensions of the gl_texture_object will already be
* initialized.
*
* This function is used by the meta PBO texture upload path.
*/
bool (*SetTextureStorageForBufferObject)(struct gl_context *ctx,
struct gl_texture_object *texObj,
struct gl_buffer_object *bufferObj,
uint32_t buffer_offset,
uint32_t row_stride,
bool read_only);
/**
* Map a renderbuffer into user space.
* \param mode bitmask of GL_MAP_READ_BIT, GL_MAP_WRITE_BIT and