diff options
Diffstat (limited to 'src/gallium/drivers/vc5/vc5_emit.c')
| -rw-r--r-- | src/gallium/drivers/vc5/vc5_emit.c | 22 |
1 files changed, 15 insertions, 7 deletions
diff --git a/src/gallium/drivers/vc5/vc5_emit.c b/src/gallium/drivers/vc5/vc5_emit.c index 1368d34729a..83ea3c475b2 100644 --- a/src/gallium/drivers/vc5/vc5_emit.c +++ b/src/gallium/drivers/vc5/vc5_emit.c @@ -28,7 +28,7 @@ #include "broadcom/compiler/v3d_compiler.h" static uint8_t -vc5_factor(enum pipe_blendfactor factor) +vc5_factor(enum pipe_blendfactor factor, bool dst_alpha_one) { /* We may get a bad blendfactor when blending is disabled. */ if (factor == 0) @@ -52,9 +52,13 @@ vc5_factor(enum pipe_blendfactor factor) case PIPE_BLENDFACTOR_INV_SRC_ALPHA: return V3D_BLEND_FACTOR_INV_SRC_ALPHA; case PIPE_BLENDFACTOR_DST_ALPHA: - return V3D_BLEND_FACTOR_DST_ALPHA; + return (dst_alpha_one ? + V3D_BLEND_FACTOR_ONE : + V3D_BLEND_FACTOR_DST_ALPHA); case PIPE_BLENDFACTOR_INV_DST_ALPHA: - return V3D_BLEND_FACTOR_INV_DST_ALPHA; + return (dst_alpha_one ? + V3D_BLEND_FACTOR_ZERO : + V3D_BLEND_FACTOR_INV_DST_ALPHA); case PIPE_BLENDFACTOR_CONST_COLOR: return V3D_BLEND_FACTOR_CONST_COLOR; case PIPE_BLENDFACTOR_INV_CONST_COLOR: @@ -327,15 +331,19 @@ vc5_emit_state(struct pipe_context *pctx) config.colour_blend_mode = rtblend->rgb_func; config.colour_blend_dst_factor = - vc5_factor(rtblend->rgb_dst_factor); + vc5_factor(rtblend->rgb_dst_factor, + vc5->blend_dst_alpha_one); config.colour_blend_src_factor = - vc5_factor(rtblend->rgb_src_factor); + vc5_factor(rtblend->rgb_src_factor, + vc5->blend_dst_alpha_one); config.alpha_blend_mode = rtblend->alpha_func; config.alpha_blend_dst_factor = - vc5_factor(rtblend->alpha_dst_factor); + vc5_factor(rtblend->alpha_dst_factor, + vc5->blend_dst_alpha_one); config.alpha_blend_src_factor = - vc5_factor(rtblend->alpha_src_factor); + vc5_factor(rtblend->alpha_src_factor, + vc5->blend_dst_alpha_one); } cl_emit(&job->bcl, COLOUR_WRITE_MASKS, mask) { |