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st/mesa: add ARB_blend_func_extended support to state tracker. 

This adds the blend mode mapping, it also uses the var->index in the
glsl to tgsi convertor - this is the other half of my using 4 in the GLSL
compiler.

Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Dave Airlie 2012-03-24 13:36:17 +00:00
parent 0d29fb017b
commit a21df96507
3 changed files with 12 additions and 5 deletions
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8
src/mesa/state_tracker/st_atom_blend.c
View File

@ -78,10 +78,10 @@ translate_blend(GLenum blend)
return PIPE_BLENDFACTOR_CONST_COLOR;
case GL_CONSTANT_ALPHA:
return PIPE_BLENDFACTOR_CONST_ALPHA;
/*
case GL_SRC1_COLOR:
return PIPE_BLENDFACTOR_SRC1_COLOR;
case GL_SRC1_ALPHA:
return PIPE_BLENDFACTOR_SRC1_ALPHA;
*/
case GL_ZERO:
return PIPE_BLENDFACTOR_ZERO;
case GL_ONE_MINUS_SRC_COLOR:
@ -96,10 +96,10 @@ translate_blend(GLenum blend)
return PIPE_BLENDFACTOR_INV_CONST_COLOR;
case GL_ONE_MINUS_CONSTANT_ALPHA:
return PIPE_BLENDFACTOR_INV_CONST_ALPHA;
/*
case GL_ONE_MINUS_SRC1_COLOR:
return PIPE_BLENDFACTOR_INV_SRC1_COLOR;
case GL_ONE_MINUS_SRC1_ALPHA:
return PIPE_BLENDFACTOR_INV_SRC1_ALPHA;
*/
default:
assert("invalid GL token in translate_blend()" == NULL);
return 0;

7
src/mesa/state_tracker/st_extensions.c
View File

@ -120,6 +120,10 @@ void st_init_limits(struct st_context *st)
= _clamp(screen->get_param(screen, PIPE_CAP_MAX_RENDER_TARGETS),
1, MAX_DRAW_BUFFERS);
c->MaxDualSourceDrawBuffers
= _clamp(screen->get_param(screen, PIPE_CAP_MAX_DUAL_SOURCE_RENDER_TARGETS),
0, MAX_DRAW_BUFFERS);
c->MaxLineWidth
= _maxf(1.0f, screen->get_paramf(screen,
PIPE_CAPF_MAX_LINE_WIDTH));
@ -629,4 +633,7 @@ void st_init_extensions(struct st_context *st)
break;
}
}
if (ctx->Const.MaxDualSourceDrawBuffers > 0)
ctx->Extensions.ARB_blend_func_extended = GL_TRUE;
}

2
src/mesa/state_tracker/st_glsl_to_tgsi.cpp
View File

@ -1925,7 +1925,7 @@ glsl_to_tgsi_visitor::visit(ir_dereference_variable *ir)
assert(var->location != -1);
entry = new(mem_ctx) variable_storage(var,
PROGRAM_OUTPUT,
var->location);
var->location + var->index);
break;
case ir_var_system_value:
entry = new(mem_ctx) variable_storage(var,