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mesa: reduce the size of gl_texture_image

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80 -> 40 bytes.

Reviewed-by: Brian Paul <brianp@vmware.com>
This commit is contained in:
Marek Olšák 2017-11-16 04:46:02 +01:00
parent 4794fbc86e
commit f4ea2b2a9e
1 changed files with 24 additions and 23 deletions
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47
src/mesa/main/mtypes.h
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@ -965,35 +965,36 @@ typedef enum
*/
struct gl_texture_image
{
GLint InternalFormat; /**< Internal format as given by the user */
GLenum16 _BaseFormat; /**< Either GL_RGB, GL_RGBA, GL_ALPHA,
* GL_LUMINANCE, GL_LUMINANCE_ALPHA,
* GL_INTENSITY, GL_DEPTH_COMPONENT or
* GL_DEPTH_STENCIL_EXT only. Used for
* choosing TexEnv arithmetic.
*/
mesa_format TexFormat; /**< The actual texture memory format */
struct gl_texture_object *TexObject; /**< Pointer back to parent object */
GLuint Border; /**< 0 or 1 */
GLuint Width; /**< = 2^WidthLog2 + 2*Border */
GLuint Height; /**< = 2^HeightLog2 + 2*Border */
GLuint Depth; /**< = 2^DepthLog2 + 2*Border */
GLuint Width2; /**< = Width - 2*Border */
GLuint Height2; /**< = Height - 2*Border */
GLuint Depth2; /**< = Depth - 2*Border */
GLuint WidthLog2; /**< = log2(Width2) */
GLuint HeightLog2; /**< = log2(Height2) */
GLuint DepthLog2; /**< = log2(Depth2) */
GLuint MaxNumLevels; /**< = maximum possible number of mipmap
GLenum16 InternalFormat; /**< Internal format as given by the user */
GLenum16 _BaseFormat; /**< Either GL_RGB, GL_RGBA, GL_ALPHA,
* GL_LUMINANCE, GL_LUMINANCE_ALPHA,
* GL_INTENSITY, GL_DEPTH_COMPONENT or
* GL_DEPTH_STENCIL_EXT only. Used for
* choosing TexEnv arithmetic.
*/
mesa_format TexFormat:16; /**< The actual texture memory format */
GLushort Width; /**< = 2^WidthLog2 + 2*Border */
GLushort Height; /**< = 2^HeightLog2 + 2*Border */
GLushort Depth; /**< = 2^DepthLog2 + 2*Border */
GLushort Width2; /**< = Width - 2*Border */
GLushort Height2; /**< = Height - 2*Border */
GLushort Depth2; /**< = Depth - 2*Border */
GLubyte WidthLog2; /**< = log2(Width2) */
GLubyte HeightLog2; /**< = log2(Height2) */
GLubyte DepthLog2; /**< = log2(Depth2) */
GLubyte Border; /**< 0 or 1 */
GLubyte MaxNumLevels; /**< = maximum possible number of mipmap
levels, computed from the dimensions */
struct gl_texture_object *TexObject; /**< Pointer back to parent object */
GLuint Level; /**< Which mipmap level am I? */
GLubyte Level; /**< Which mipmap level am I? */
/** Cube map face: index into gl_texture_object::Image[] array */
GLuint Face;
GLubyte Face;
/** GL_ARB_texture_multisample */
GLuint NumSamples; /**< Sample count, or 0 for non-multisample */
GLubyte NumSamples; /**< Sample count, or 0 for non-multisample */
GLboolean FixedSampleLocations; /**< Same sample locations for all pixels? */
};