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meta: allow CopyTexSubImage on integer formats

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Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
This commit is contained in:
Jordan Justen
2012-06-21 09:40:47 -07:00
parent 6671d0dad3
commit 091eb15b69
1 changed files with 10 additions and 6 deletions
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16
src/mesa/drivers/common/meta.c
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@@ -74,6 +74,8 @@
#include "program/program.h"
#include "swrast/swrast.h"
#include "drivers/common/meta.h"
#include "main/enums.h"
#include "main/glformats.h"
/** Return offset in bytes of the field within a vertex struct */
@@ -3158,8 +3160,12 @@ _mesa_meta_GenerateMipmap(struct gl_context *ctx, GLenum target,
* ReadPixels() and passed to Tex[Sub]Image().
*/
static GLenum
get_temp_image_type(struct gl_context *ctx, GLenum baseFormat)
get_temp_image_type(struct gl_context *ctx, gl_format format)
{
GLenum baseFormat, type;
baseFormat = _mesa_get_format_base_format(format);
switch (baseFormat) {
case GL_RGBA:
case GL_RGB:
@@ -3174,7 +3180,7 @@ get_temp_image_type(struct gl_context *ctx, GLenum baseFormat)
else if (ctx->DrawBuffer->Visual.redBits <= 16)
return GL_UNSIGNED_SHORT;
else
return GL_FLOAT;
return _mesa_get_format_datatype(format);
case GL_DEPTH_COMPONENT:
return GL_UNSIGNED_INT;
case GL_DEPTH_STENCIL:
@@ -3216,12 +3222,10 @@ _mesa_meta_CopyTexSubImage(struct gl_context *ctx, GLuint dims,
format = GL_RGBA;
}
type = get_temp_image_type(ctx, texImage->TexFormat);
if (_mesa_is_format_integer_color(texImage->TexFormat)) {
_mesa_problem(ctx, "unsupported integer color copyteximage");
return;
format = _mesa_base_format_to_integer_format(format);
}
type = get_temp_image_type(ctx, format);
bpp = _mesa_bytes_per_pixel(format, type);
if (bpp <= 0) {
_mesa_problem(ctx, "Bad bpp in _mesa_meta_CopyTexSubImage()");