Mesa (master): mesa/dd: Add a function for creating a texture from a buffer object
Jason Ekstrand
jekstrand at kemper.freedesktop.org
Thu Jan 22 19:37:06 UTC 2015
Module: Mesa
Branch: master
Commit: 3298b1235a303ad1fa261c52b22174430b2e90ff
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=3298b1235a303ad1fa261c52b22174430b2e90ff
Author: Jason Ekstrand <jason.ekstrand at intel.com>
Date: Wed Jan 7 21:13:15 2015 -0800
mesa/dd: Add a function for creating a texture from a buffer object
Reviewed-by: Neil Roberts <neil at linux.intel.com>
---
src/mesa/main/dd.h | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff --git a/src/mesa/main/dd.h b/src/mesa/main/dd.h
index 2f40915..6883e18 100644
--- a/src/mesa/main/dd.h
+++ b/src/mesa/main/dd.h
@@ -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
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