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authorSubv <subv2112@gmail.com>2015-08-20 17:11:09 +0200
committerSubv <subv2112@gmail.com>2015-08-20 17:11:09 +0200
commit46f660a789ff02f9cd86600ed82e0936b049b176 (patch)
treeddb2c54c86025ac338549922c7c548844e38a68e /src/video_core
parentGPU/Rasterizer: Corrected the stencil implementation. (diff)
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Diffstat (limited to 'src/video_core')
-rw-r--r--src/video_core/renderer_opengl/gl_rasterizer.cpp13
-rw-r--r--src/video_core/renderer_opengl/gl_state.cpp9
-rw-r--r--src/video_core/renderer_opengl/gl_state.h3
-rw-r--r--src/video_core/renderer_opengl/pica_to_gl.h21
4 files changed, 44 insertions, 2 deletions
diff --git a/src/video_core/renderer_opengl/gl_rasterizer.cpp b/src/video_core/renderer_opengl/gl_rasterizer.cpp
index 9f1552adf..962c659e0 100644
--- a/src/video_core/renderer_opengl/gl_rasterizer.cpp
+++ b/src/video_core/renderer_opengl/gl_rasterizer.cpp
@@ -268,7 +268,8 @@ void RasterizerOpenGL::NotifyPicaRegisterChanged(u32 id) {
break;
// Stencil test
- case PICA_REG_INDEX(output_merger.stencil_test):
+ case PICA_REG_INDEX(output_merger.stencil_test.raw_func):
+ case PICA_REG_INDEX(output_merger.stencil_test.raw_op):
SyncStencilTest();
break;
@@ -675,7 +676,15 @@ void RasterizerOpenGL::SyncLogicOp() {
}
void RasterizerOpenGL::SyncStencilTest() {
- // TODO: Implement stencil test, mask, and op
+ const auto& regs = Pica::g_state.regs;
+ state.stencil.test_enabled = regs.output_merger.stencil_test.enable && regs.framebuffer.depth_format == Pica::Regs::DepthFormat::D24S8;
+ state.stencil.test_func = PicaToGL::CompareFunc(regs.output_merger.stencil_test.func);
+ state.stencil.test_ref = regs.output_merger.stencil_test.reference_value;
+ state.stencil.test_mask = regs.output_merger.stencil_test.input_mask;
+ state.stencil.write_mask = regs.output_merger.stencil_test.write_mask;
+ state.stencil.action_stencil_fail = PicaToGL::StencilOp(regs.output_merger.stencil_test.action_stencil_fail);
+ state.stencil.action_depth_fail = PicaToGL::StencilOp(regs.output_merger.stencil_test.action_depth_fail);
+ state.stencil.action_depth_pass = PicaToGL::StencilOp(regs.output_merger.stencil_test.action_depth_pass);
}
void RasterizerOpenGL::SyncDepthTest() {
diff --git a/src/video_core/renderer_opengl/gl_state.cpp b/src/video_core/renderer_opengl/gl_state.cpp
index 871324014..ba47ce8b8 100644
--- a/src/video_core/renderer_opengl/gl_state.cpp
+++ b/src/video_core/renderer_opengl/gl_state.cpp
@@ -26,6 +26,9 @@ OpenGLState::OpenGLState() {
stencil.test_ref = 0;
stencil.test_mask = -1;
stencil.write_mask = -1;
+ stencil.action_depth_fail = GL_KEEP;
+ stencil.action_depth_pass = GL_KEEP;
+ stencil.action_stencil_fail = GL_KEEP;
blend.enabled = false;
blend.src_rgb_func = GL_ONE;
@@ -105,6 +108,12 @@ void OpenGLState::Apply() {
glStencilFunc(stencil.test_func, stencil.test_ref, stencil.test_mask);
}
+ if (stencil.action_depth_fail != cur_state.stencil.action_depth_fail ||
+ stencil.action_depth_pass != cur_state.stencil.action_depth_pass ||
+ stencil.action_stencil_fail != cur_state.stencil.action_stencil_fail) {
+ glStencilOp(stencil.action_stencil_fail, stencil.action_depth_fail, stencil.action_depth_pass);
+ }
+
// Stencil mask
if (stencil.write_mask != cur_state.stencil.write_mask) {
glStencilMask(stencil.write_mask);
diff --git a/src/video_core/renderer_opengl/gl_state.h b/src/video_core/renderer_opengl/gl_state.h
index 3e2379021..81e7e0877 100644
--- a/src/video_core/renderer_opengl/gl_state.h
+++ b/src/video_core/renderer_opengl/gl_state.h
@@ -32,6 +32,9 @@ public:
GLint test_ref; // GL_STENCIL_REF
GLuint test_mask; // GL_STENCIL_VALUE_MASK
GLuint write_mask; // GL_STENCIL_WRITEMASK
+ GLenum action_stencil_fail; // GL_STENCIL_FAIL
+ GLenum action_depth_fail; // GL_STENCIL_PASS_DEPTH_FAIL
+ GLenum action_depth_pass; // GL_STENCIL_PASS_DEPTH_PASS
} stencil;
struct {
diff --git a/src/video_core/renderer_opengl/pica_to_gl.h b/src/video_core/renderer_opengl/pica_to_gl.h
index 3b562da86..a8f84a411 100644
--- a/src/video_core/renderer_opengl/pica_to_gl.h
+++ b/src/video_core/renderer_opengl/pica_to_gl.h
@@ -152,6 +152,27 @@ inline GLenum CompareFunc(Pica::Regs::CompareFunc func) {
return compare_func_table[(unsigned)func];
}
+inline GLenum StencilOp(Pica::Regs::StencilAction action) {
+ static const GLenum stencil_op_table[] = {
+ GL_KEEP, // StencilAction::Keep
+ GL_KEEP,
+ GL_REPLACE, // StencilAction::Replace
+ GL_INCR, // StencilAction::Increment
+ GL_DECR, // StencilAction::Decrement
+ GL_INVERT // StencilAction::Invert
+ };
+
+ // Range check table for input
+ if ((unsigned)action >= ARRAY_SIZE(stencil_op_table)) {
+ LOG_CRITICAL(Render_OpenGL, "Unknown stencil op %d", action);
+ UNREACHABLE();
+
+ return GL_KEEP;
+ }
+
+ return stencil_op_table[(unsigned)action];
+}
+
inline std::array<GLfloat, 4> ColorRGBA8(const u8* bytes) {
return { { bytes[0] / 255.0f,
bytes[1] / 255.0f,