OpenHarmony/third_party_mesa3d
2
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

mesa: Keep a computed value for dual source blend func with each buffer.

Browse Source 
The i965 driver needed this as well for hardware setup, so instead of
duplicating the logic, just save it off.

Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Eric Anholt
2012-05-17 15:31:40 -07:00
parent 68216f3581
commit 175ad8050e
3 changed files with 32 additions and 17 deletions
Download Patch File Download Diff File Expand all files Collapse all files

24
src/mesa/main/context.c
View File

@@ -1703,13 +1703,6 @@ _mesa_set_mvp_with_dp4( struct gl_context *ctx,
ctx->mvp_with_dp4 = flag;
}
static GLboolean
blend_factor_is_dual_src(GLenum factor)
{
return factor == GL_SRC1_COLOR || factor == GL_SRC1_ALPHA ||
factor == GL_ONE_MINUS_SRC1_COLOR || factor == GL_ONE_MINUS_SRC1_ALPHA;
}
/*
* ARB_blend_func_extended - ERRORS section
* "The error INVALID_OPERATION is generated by Begin or any procedure that
@@ -1722,16 +1715,13 @@ static GLboolean
_mesa_check_blend_func_error(struct gl_context *ctx)
{
GLuint i;
for (i = 0; i < ctx->DrawBuffer->_NumColorDrawBuffers; i++) {
if (blend_factor_is_dual_src(ctx->Color.Blend[i].SrcRGB) ||
blend_factor_is_dual_src(ctx->Color.Blend[i].DstRGB) ||
blend_factor_is_dual_src(ctx->Color.Blend[i].SrcA) ||
blend_factor_is_dual_src(ctx->Color.Blend[i].DstA)) {
if (i >= ctx->Const.MaxDualSourceDrawBuffers) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"dual source blend on illegal attachment");
return GL_FALSE;
}
for (i = ctx->Const.MaxDualSourceDrawBuffers;
i < ctx->DrawBuffer->_NumColorDrawBuffers;
i++) {
if (ctx->Color.Blend[i]._UsesDualSrc) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"dual source blend on illegal attachment");
return GL_FALSE;
}
}
return GL_TRUE;