summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--src/mesa/drivers/dri/r600/r700_fragprog.c27
1 files changed, 27 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/r600/r700_fragprog.c b/src/mesa/drivers/dri/r600/r700_fragprog.c
index f382686be4b..f3dd7b6db19 100644
--- a/src/mesa/drivers/dri/r600/r700_fragprog.c
+++ b/src/mesa/drivers/dri/r600/r700_fragprog.c
@@ -55,6 +55,12 @@ void Map_Fragment_Program(r700_AssemblerBase *pAsm,
//Input mapping : mesa_fp->Base.InputsRead set the flag, set in
//The flags parsed in parse_attrib_binding. FRAG_ATTRIB_COLx, FRAG_ATTRIB_TEXx, ...
//MUST match order in Map_Vertex_Output
+ unBit = 1 << FRAG_ATTRIB_WPOS;
+ if(mesa_fp->Base.InputsRead & unBit)
+ {
+ pAsm->uiFP_AttributeMap[FRAG_ATTRIB_WPOS] = pAsm->number_used_registers++;
+ }
+
unBit = 1 << FRAG_ATTRIB_COL0;
if(mesa_fp->Base.InputsRead & unBit)
{
@@ -337,6 +343,14 @@ GLboolean r700SetupFragmentProgram(GLcontext * ctx)
CLEARbit(r700->DB_SHADER_CONTROL.u32All, Z_EXPORT_ENABLE_bit);
}
+ /* PS uses fragment.position */
+ if (mesa_fp->Base.InputsRead & (1 << FRAG_ATTRIB_WPOS))
+ {
+ SETbit(r700->SPI_PS_IN_CONTROL_0.u32All, POSITION_ENA_bit);
+ SetField(r700->SPI_PS_IN_CONTROL_0.u32All, CENTERS_ONLY, BARYC_SAMPLE_CNTL_shift, BARYC_SAMPLE_CNTL_mask);
+ SETbit(r700->SPI_INPUT_Z.u32All, PROVIDE_Z_TO_SPI_bit);
+ }
+
/* sent out shader constants. */
paramList = fp->mesa_program.Base.Parameters;
@@ -367,6 +381,19 @@ GLboolean r700SetupFragmentProgram(GLcontext * ctx)
}
// emit ps input map
+ unBit = 1 << FRAG_ATTRIB_WPOS;
+ if(mesa_fp->Base.InputsRead & unBit)
+ {
+ ui = pAsm->uiFP_AttributeMap[FRAG_ATTRIB_WPOS];
+ SETbit(r700->SPI_PS_INPUT_CNTL[ui].u32All, SEL_CENTROID_bit);
+ SETfield(r700->SPI_PS_INPUT_CNTL[ui].u32All, ui,
+ SEMANTIC_shift, SEMANTIC_mask);
+ if (r700->SPI_INTERP_CONTROL_0.u32All & FLAT_SHADE_ENA_bit)
+ SETbit(r700->SPI_PS_INPUT_CNTL[ui].u32All, FLAT_SHADE_bit);
+ else
+ CLEARbit(r700->SPI_PS_INPUT_CNTL[ui].u32All, FLAT_SHADE_bit);
+ }
+
unBit = 1 << FRAG_ATTRIB_COL0;
if(mesa_fp->Base.InputsRead & unBit)
{