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gl_rasterizer: Implement primitive restart.

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This commit is contained in:
bunnei 2018-10-25 19:04:13 -04:00
parent d278f25bda
commit 58444a0376
5 changed files with 40 additions and 1 deletions
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10
src/video_core/engines/maxwell_3d.h
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@ -751,7 +751,14 @@ public:
};
} draw;
INSERT_PADDING_WORDS(0x6B);
INSERT_PADDING_WORDS(0xA);
struct {
u32 enabled;
u32 index;
} primitive_restart;
INSERT_PADDING_WORDS(0x5F);
struct {
u32 start_addr_high;
@ -1082,6 +1089,7 @@ ASSERT_REG_POSITION(stencil_back_func_func, 0x569);
ASSERT_REG_POSITION(point_coord_replace, 0x581);
ASSERT_REG_POSITION(code_address, 0x582);
ASSERT_REG_POSITION(draw, 0x585);
ASSERT_REG_POSITION(primitive_restart, 0x591);
ASSERT_REG_POSITION(index_array, 0x5F2);
ASSERT_REG_POSITION(instanced_arrays, 0x620);
ASSERT_REG_POSITION(cull, 0x646);

8
src/video_core/renderer_opengl/gl_rasterizer.cpp
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@ -570,6 +570,7 @@ void RasterizerOpenGL::DrawArrays() {
SyncBlendState();
SyncLogicOpState();
SyncCullMode();
SyncPrimitiveRestart();
SyncDepthRange();
SyncScissorTest();
// Alpha Testing is synced on shaders.
@ -924,6 +925,13 @@ void RasterizerOpenGL::SyncCullMode() {
}
}
void RasterizerOpenGL::SyncPrimitiveRestart() {
const auto& regs = Core::System::GetInstance().GPU().Maxwell3D().regs;
state.primitive_restart.enabled = regs.primitive_restart.enabled;
state.primitive_restart.index = regs.primitive_restart.index;
}
void RasterizerOpenGL::SyncDepthRange() {
const auto& regs = Core::System::GetInstance().GPU().Maxwell3D().regs;

3
src/video_core/renderer_opengl/gl_rasterizer.h
View File

@ -144,6 +144,9 @@ private:
/// Syncs the cull mode to match the guest state
void SyncCullMode();
/// Syncs the primitve restart to match the guest state
void SyncPrimitiveRestart();
/// Syncs the depth range to match the guest state
void SyncDepthRange();

15
src/video_core/renderer_opengl/gl_state.cpp
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@ -24,6 +24,9 @@ OpenGLState::OpenGLState() {
depth.depth_range_near = 0.0f;
depth.depth_range_far = 1.0f;
primitive_restart.enabled = false;
primitive_restart.index = 0;
color_mask.red_enabled = GL_TRUE;
color_mask.green_enabled = GL_TRUE;
color_mask.blue_enabled = GL_TRUE;
@ -127,6 +130,18 @@ void OpenGLState::Apply() const {
glDepthRange(depth.depth_range_near, depth.depth_range_far);
}
// Primitive restart
if (primitive_restart.enabled != cur_state.primitive_restart.enabled) {
if (primitive_restart.enabled) {
glEnable(GL_PRIMITIVE_RESTART);
} else {
glDisable(GL_PRIMITIVE_RESTART);
}
}
if (primitive_restart.index != cur_state.primitive_restart.index) {
glPrimitiveRestartIndex(primitive_restart.index);
}
// Color mask
if (color_mask.red_enabled != cur_state.color_mask.red_enabled ||
color_mask.green_enabled != cur_state.color_mask.green_enabled ||

5
src/video_core/renderer_opengl/gl_state.h
View File

@ -49,6 +49,11 @@ public:
GLfloat depth_range_far; // GL_DEPTH_RANGE
} depth;
struct {
bool enabled;
GLuint index;
} primitive_restart; // GL_PRIMITIVE_RESTART
struct {
GLboolean red_enabled;
GLboolean green_enabled;