diff options
| author | Brian Paul <brian.paul@tungstengraphics.com> | 2006-10-22 22:58:42 +0000 |
|---|---|---|
| committer | Brian Paul <brian.paul@tungstengraphics.com> | 2006-10-22 22:58:42 +0000 |
| commit | 49a5a09adaac457860a8abb9d7b86f317353a23c (patch) | |
| tree | 8d650e4f28aa4cbb99023c2cf686cd7b1a3ebcd8 /src/mesa/swrast | |
| parent | 73dd09fdd3f644604754b84176edaef93c243509 (diff) | |
don't save color/z if fragment is killed
Diffstat (limited to 'src/mesa/swrast')
| -rw-r--r-- | src/mesa/swrast/s_nvfragprog.c | 38 |
1 files changed, 20 insertions, 18 deletions
diff --git a/src/mesa/swrast/s_nvfragprog.c b/src/mesa/swrast/s_nvfragprog.c index bd9007efaf..01fa221fc6 100644 --- a/src/mesa/swrast/s_nvfragprog.c +++ b/src/mesa/swrast/s_nvfragprog.c @@ -53,7 +53,7 @@ struct fp_machine GLfloat Temporaries[MAX_NV_FRAGMENT_PROGRAM_TEMPS][4]; GLfloat Inputs[MAX_NV_FRAGMENT_PROGRAM_INPUTS][4]; GLfloat Outputs[MAX_NV_FRAGMENT_PROGRAM_OUTPUTS][4]; - GLuint CondCodes[4]; + GLuint CondCodes[4]; /**< COND_* value for x/y/z/w */ }; @@ -1521,24 +1521,26 @@ run_program(GLcontext *ctx, SWspan *span, GLuint start, GLuint end) if (span->array->mask[i]) { init_machine(ctx, &machine, program, span, i); - if (!execute_program(ctx, program, ~0, &machine, span, i)) { - span->array->mask[i] = GL_FALSE; /* killed fragment */ - span->writeAll = GL_FALSE; + if (execute_program(ctx, program, ~0, &machine, span, i)) { + /* Store result color */ + COPY_4V(span->array->color.sz4.rgba[i], + machine.Outputs[FRAG_RESULT_COLR]); + + /* Store result depth/z */ + if (program->Base.OutputsWritten & (1 << FRAG_RESULT_DEPR)) { + const GLfloat depth = machine.Outputs[FRAG_RESULT_DEPR][2]; + if (depth <= 0.0) + span->array->z[i] = 0; + else if (depth >= 1.0) + span->array->z[i] = ctx->DrawBuffer->_DepthMax; + else + span->array->z[i] = IROUND(depth * ctx->DrawBuffer->_DepthMaxF); + } } - - /* Store result color */ - COPY_4V(span->array->color.sz4.rgba[i], - machine.Outputs[FRAG_RESULT_COLR]); - - /* Store result depth/z */ - if (program->Base.OutputsWritten & (1 << FRAG_RESULT_DEPR)) { - const GLfloat depth = machine.Outputs[FRAG_RESULT_DEPR][2]; - if (depth <= 0.0) - span->array->z[i] = 0; - else if (depth >= 1.0) - span->array->z[i] = ctx->DrawBuffer->_DepthMax; - else - span->array->z[i] = IROUND(depth * ctx->DrawBuffer->_DepthMaxF); + else { + /* killed fragment */ + span->array->mask[i] = GL_FALSE; + span->writeAll = GL_FALSE; } } } |