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r600: update num of interp if posizition is used

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This commit is contained in:
Cooper Yuan 2009-08-11 14:36:01 +08:00
parent 74504c48ad
commit 2ccd66d8a0
1 changed files with 10 additions and 8 deletions
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18
src/mesa/drivers/dri/r600/r700_fragprog.c
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@ -310,6 +310,16 @@ GLboolean r700SetupFragmentProgram(GLcontext * ctx)
ui = (r700->SPI_PS_IN_CONTROL_0.u32All & NUM_INTERP_mask) / (1 << NUM_INTERP_shift);
/* PS uses fragment.position */
if (mesa_fp->Base.InputsRead & (1 << FRAG_ATTRIB_WPOS))
{
ui += 1;
SETfield(r700->SPI_PS_IN_CONTROL_0.u32All, ui, NUM_INTERP_shift, NUM_INTERP_mask);
SETfield(r700->SPI_PS_IN_CONTROL_0.u32All, CENTERS_ONLY, BARYC_SAMPLE_CNTL_shift, BARYC_SAMPLE_CNTL_mask);
SETbit(r700->SPI_PS_IN_CONTROL_0.u32All, POSITION_ENA_bit);
SETbit(r700->SPI_INPUT_Z.u32All, PROVIDE_Z_TO_SPI_bit);
}
ui = (unNumOfReg < ui) ? ui : unNumOfReg;
SETfield(r700->ps.SQ_PGM_RESOURCES_PS.u32All, ui, NUM_GPRS_shift, NUM_GPRS_mask);
@ -343,14 +353,6 @@ 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;