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framebuffer: update allowed implementation format/type

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Allow additional format/type combinations based on the
color render buffer to fix failures with gles3-gtf.

Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
This commit is contained in:
Jordan Justen 2013-01-12 01:11:21 -08:00 • committed by Matt Turner
parent ffdffd834a
commit f8e7aa2827
1 changed files with 23 additions and 3 deletions
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26
src/mesa/main/framebuffer.c
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@ -871,13 +871,20 @@ _mesa_dest_buffer_exists(struct gl_context *ctx, GLenum format)
GLenum
_mesa_get_color_read_format(struct gl_context *ctx)
{
const GLenum data_type = _mesa_get_format_datatype(
ctx->ReadBuffer->_ColorReadBuffer->Format);
switch (ctx->ReadBuffer->_ColorReadBuffer->Format) {
case MESA_FORMAT_ARGB8888:
return GL_BGRA;
case MESA_FORMAT_RGB565:
return GL_BGR;
default:
return GL_RGBA;
if (data_type == GL_UNSIGNED_INT || data_type == GL_INT) {
return GL_RGBA_INTEGER;
} else {
return GL_RGBA;
}
}
}
@ -888,11 +895,24 @@ _mesa_get_color_read_format(struct gl_context *ctx)
GLenum
_mesa_get_color_read_type(struct gl_context *ctx)
{
const GLenum data_type = _mesa_get_format_datatype(
ctx->ReadBuffer->_ColorReadBuffer->Format);
switch (ctx->ReadBuffer->_ColorReadBuffer->Format) {
case MESA_FORMAT_ARGB8888:
return GL_UNSIGNED_BYTE;
case MESA_FORMAT_RGB565:
return GL_UNSIGNED_SHORT_5_6_5_REV;
default:
break;
}
switch (data_type) {
case GL_SIGNED_NORMALIZED:
return GL_BYTE;
case GL_UNSIGNED_INT:
case GL_INT:
case GL_FLOAT:
return data_type;
case GL_UNSIGNED_NORMALIZED:
default:
return GL_UNSIGNED_BYTE;
}