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main: Refactor _mesa_get_clamp_read_color.

Browse source 
This wasn't neccessary for ARB_direct_state_access, but felt like a good idea
for the sake of completeness.

Reviewed-by: Fredrik Höglund <fredrik@kde.org>
Signed-off-by: Fredrik Höglund <fredrik@kde.org>
This commit is contained in:
Laura Ekstrand 2015-03-03 15:05:16 -08:00 • committed by Fredrik Höglund
parent 2cabfd9636
commit 39be0c5f6c
3 changed files with 7 additions and 5 deletions
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5
src/mesa/main/blend.c
View file

@ -821,9 +821,10 @@ _mesa_get_clamp_vertex_color(const struct gl_context *ctx,
}
GLboolean
_mesa_get_clamp_read_color(const struct gl_context *ctx)
_mesa_get_clamp_read_color(const struct gl_context *ctx,
const struct gl_framebuffer *readFb)
{
return get_clamp_color(ctx->ReadBuffer, ctx->Color.ClampReadColor);
return get_clamp_color(readFb, ctx->Color.ClampReadColor);
}
/**

3
src/mesa/main/blend.h
View file

@ -110,7 +110,8 @@ _mesa_get_clamp_vertex_color(const struct gl_context *ctx,
const struct gl_framebuffer *drawFb);
extern GLboolean
_mesa_get_clamp_read_color(const struct gl_context *ctx);
_mesa_get_clamp_read_color(const struct gl_context *ctx,
const struct gl_framebuffer *readFb);
extern void
_mesa_update_clamp_fragment_color(struct gl_context *ctx,

4
src/mesa/main/readpix.c
View file

@ -83,7 +83,7 @@ get_readpixels_transfer_ops(const struct gl_context *ctx, mesa_format texFormat,
if (uses_blit) {
/* For blit-based ReadPixels packing, the clamping is done automatically
* unless the type is float. */
if (_mesa_get_clamp_read_color(ctx) &&
if (_mesa_get_clamp_read_color(ctx, ctx->ReadBuffer) &&
(type == GL_FLOAT || type == GL_HALF_FLOAT)) {
transferOps |= IMAGE_CLAMP_BIT;
}
@ -91,7 +91,7 @@ get_readpixels_transfer_ops(const struct gl_context *ctx, mesa_format texFormat,
else {
/* For CPU-based ReadPixels packing, the clamping must always be done
* for non-float types, */
if (_mesa_get_clamp_read_color(ctx) ||
if (_mesa_get_clamp_read_color(ctx, ctx->ReadBuffer) ||
(type != GL_FLOAT && type != GL_HALF_FLOAT)) {
transferOps |= IMAGE_CLAMP_BIT;
}