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Rasterizer: Abstract duplicated stencil code into a lambda.

This commit is contained in:
Subv 2015-08-20 10:31:39 -05:00
parent 46f660a789
commit e74825e3d0
1 changed files with 9 additions and 6 deletions
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15
src/video_core/rasterizer.cpp
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@ -791,6 +791,12 @@ static void ProcessTriangleInternal(const Shader::OutputVertex& v0,
} }
u8 old_stencil = 0; u8 old_stencil = 0;
auto UpdateStencil = [stencil_test, x, y, &old_stencil](Pica::Regs::StencilAction action) {
u8 new_stencil = PerformStencilAction(action, old_stencil, stencil_test.reference_value);
SetStencil(x >> 4, y >> 4, (new_stencil & stencil_test.write_mask) | (old_stencil & ~stencil_test.write_mask));
};
if (stencil_action_enable) { if (stencil_action_enable) {
old_stencil = GetStencil(x >> 4, y >> 4); old_stencil = GetStencil(x >> 4, y >> 4);
u8 dest = old_stencil & stencil_test.input_mask; u8 dest = old_stencil & stencil_test.input_mask;
@ -832,8 +838,7 @@ static void ProcessTriangleInternal(const Shader::OutputVertex& v0,
} }
if (!pass) { if (!pass) {
u8 new_stencil = PerformStencilAction(stencil_test.action_stencil_fail, old_stencil, stencil_test.reference_value); UpdateStencil(stencil_test.action_stencil_fail);
SetStencil(x >> 4, y >> 4, (new_stencil & stencil_test.write_mask) | (old_stencil & ~stencil_test.write_mask));
continue; continue;
} }
} }
@ -884,8 +889,7 @@ static void ProcessTriangleInternal(const Shader::OutputVertex& v0,
if (!pass) { if (!pass) {
if (stencil_action_enable) { if (stencil_action_enable) {
u8 new_stencil = PerformStencilAction(stencil_test.action_depth_fail, old_stencil, stencil_test.reference_value); UpdateStencil(stencil_test.action_depth_fail);
SetStencil(x >> 4, y >> 4, (new_stencil & stencil_test.write_mask) | (old_stencil & ~stencil_test.write_mask));
} }
continue; continue;
} }
@ -895,8 +899,7 @@ static void ProcessTriangleInternal(const Shader::OutputVertex& v0,
if (stencil_action_enable) { if (stencil_action_enable) {
// TODO: What happens if stencil testing is enabled, but depth testing is not? Will stencil get updated anyway? // TODO: What happens if stencil testing is enabled, but depth testing is not? Will stencil get updated anyway?
u8 new_stencil = PerformStencilAction(stencil_test.action_depth_pass, old_stencil, stencil_test.reference_value); UpdateStencil(stencil_test.action_depth_pass);
SetStencil(x >> 4, y >> 4, (new_stencil & stencil_test.write_mask) | (old_stencil & ~stencil_test.write_mask));
} }
} }