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gl_state: Update to handle stencil front/back face separately.

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This commit is contained in:
bunnei 2018-08-22 00:17:54 -04:00
parent c7f2fb2151
commit c4ed0b16b1
2 changed files with 38 additions and 33 deletions
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47
src/video_core/renderer_opengl/gl_state.cpp
View file

@ -27,13 +27,17 @@ OpenGLState::OpenGLState() {
color_mask.alpha_enabled = GL_TRUE;
stencil.test_enabled = false;
stencil.test_func = GL_ALWAYS;
stencil.test_ref = 0;
stencil.test_mask = 0xFF;
stencil.write_mask = 0xFF;
stencil.action_depth_fail = GL_KEEP;
stencil.action_depth_pass = GL_KEEP;
stencil.action_stencil_fail = GL_KEEP;
auto reset_stencil = [](auto& config) {
config.test_func = GL_ALWAYS;
config.test_ref = 0;
config.test_mask = 0xFFFFFFFF;
config.write_mask = 0xFFFFFFFF;
config.action_depth_fail = GL_KEEP;
config.action_depth_pass = GL_KEEP;
config.action_stencil_fail = GL_KEEP;
};
reset_stencil(stencil.front);
reset_stencil(stencil.back);
blend.enabled = true;
blend.rgb_equation = GL_FUNC_ADD;
@ -129,24 +133,23 @@ void OpenGLState::Apply() const {
glDisable(GL_STENCIL_TEST);
}
}
if (stencil.test_func != cur_state.stencil.test_func ||
stencil.test_ref != cur_state.stencil.test_ref ||
stencil.test_mask != cur_state.stencil.test_mask) {
glStencilFunc(stencil.test_func, stencil.test_ref, stencil.test_mask);
auto config_stencil = [](GLenum face, const auto& config, const auto& prev_config) {
if (config.test_func != prev_config.test_func || config.test_ref != prev_config.test_ref ||
config.test_mask != prev_config.test_mask) {
glStencilFuncSeparate(face, config.test_func, config.test_ref, config.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);
if (config.action_depth_fail != prev_config.action_depth_fail ||
config.action_depth_pass != prev_config.action_depth_pass ||
config.action_stencil_fail != prev_config.action_stencil_fail) {
glStencilOpSeparate(face, config.action_stencil_fail, config.action_depth_fail,
config.action_depth_pass);
}
// Stencil mask
if (stencil.write_mask != cur_state.stencil.write_mask) {
glStencilMask(stencil.write_mask);
if (config.write_mask != prev_config.write_mask) {
glStencilMaskSeparate(face, config.write_mask);
}
};
config_stencil(GL_FRONT, stencil.front, cur_state.stencil.front);
config_stencil(GL_BACK, stencil.back, cur_state.stencil.back);
// Blending
if (blend.enabled != cur_state.blend.enabled) {

2
src/video_core/renderer_opengl/gl_state.h
View file

@ -59,6 +59,7 @@ public:
struct {
bool test_enabled; // GL_STENCIL_TEST
struct {
GLenum test_func; // GL_STENCIL_FUNC
GLint test_ref; // GL_STENCIL_REF
GLuint test_mask; // GL_STENCIL_VALUE_MASK
@ -66,6 +67,7 @@ public:
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
} front, back;
} stencil;
struct {