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st/mesa: choose an appropriate texture format for DrawPixels

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This commit is contained in:
Marek Olšák 2011-03-15 15:00:02 +01:00
parent 2af1da1546
commit b518f4d0ea
1 changed files with 49 additions and 3 deletions
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52
src/mesa/state_tracker/st_cb_drawpixels.c
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@ -296,7 +296,7 @@ base_format(GLenum format)
* of the given format and type.
*/
static GLenum
internal_format(GLenum format, GLenum type)
internal_format(struct gl_context *ctx, GLenum format, GLenum type)
{
switch (format) {
case GL_DEPTH_COMPONENT:
@ -326,7 +326,53 @@ internal_format(GLenum format, GLenum type)
}
}
else {
return GL_RGBA;
switch (type) {
case GL_UNSIGNED_BYTE:
case GL_UNSIGNED_INT_8_8_8_8:
case GL_UNSIGNED_INT_8_8_8_8_REV:
default:
return GL_RGBA8;
case GL_UNSIGNED_BYTE_3_3_2:
case GL_UNSIGNED_BYTE_2_3_3_REV:
case GL_UNSIGNED_SHORT_4_4_4_4:
case GL_UNSIGNED_SHORT_4_4_4_4_REV:
return GL_RGBA4;
case GL_UNSIGNED_SHORT_5_6_5:
case GL_UNSIGNED_SHORT_5_6_5_REV:
case GL_UNSIGNED_SHORT_5_5_5_1:
case GL_UNSIGNED_SHORT_1_5_5_5_REV:
return GL_RGB5_A1;
case GL_UNSIGNED_INT_10_10_10_2:
case GL_UNSIGNED_INT_2_10_10_10_REV:
return GL_RGB10_A2;
case GL_UNSIGNED_SHORT:
case GL_UNSIGNED_INT:
return GL_RGBA16;
case GL_BYTE:
return
ctx->Extensions.EXT_texture_snorm ? GL_RGBA8_SNORM : GL_RGBA8;
case GL_SHORT:
case GL_INT:
return
ctx->Extensions.EXT_texture_snorm ? GL_RGBA16_SNORM : GL_RGBA16;
case GL_HALF_FLOAT_ARB:
return
ctx->Extensions.ARB_texture_float ? GL_RGBA16F :
ctx->Extensions.EXT_texture_snorm ? GL_RGBA16_SNORM : GL_RGBA16;
case GL_FLOAT:
case GL_DOUBLE:
return
ctx->Extensions.ARB_texture_float ? GL_RGBA32F :
ctx->Extensions.EXT_texture_snorm ? GL_RGBA16_SNORM : GL_RGBA16;
}
}
}
}
@ -369,7 +415,7 @@ make_texture(struct st_context *st,
GLenum baseFormat, intFormat;
baseFormat = base_format(format);
intFormat = internal_format(format, type);
intFormat = internal_format(ctx, format, type);
mformat = st_ChooseTextureFormat_renderable(ctx, intFormat,
format, type, GL_FALSE);