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Detect depth mode by viewport

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This commit is contained in:
Feng Chen
2021-09-14 22:25:34 +08:00
parent 081ccc6441
commit 5987044918
2 changed files with 26 additions and 3 deletions
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13
src/video_core/renderer_opengl/gl_rasterizer.cpp
View File

@@ -566,10 +566,8 @@ void RasterizerOpenGL::SyncViewport() {
if (regs.screen_y_control.y_negate != 0) {
flip_y = !flip_y;
}
const bool is_zero_to_one = regs.depth_mode == Maxwell::DepthMode::ZeroToOne;
const GLenum origin = flip_y ? GL_UPPER_LEFT : GL_LOWER_LEFT;
const GLenum depth = is_zero_to_one ? GL_ZERO_TO_ONE : GL_NEGATIVE_ONE_TO_ONE;
state_tracker.ClipControl(origin, depth);
state_tracker.SetOrigin(origin);
state_tracker.SetYNegate(regs.screen_y_control.y_negate != 0);
}
@@ -593,6 +591,15 @@ void RasterizerOpenGL::SyncViewport() {
const GLdouble reduce_z = regs.depth_mode == Maxwell::DepthMode::MinusOneToOne;
const GLdouble near_depth = src.translate_z - src.scale_z * reduce_z;
const GLdouble far_depth = src.translate_z + src.scale_z;
if (i == 0) {
const auto& viewports = regs.viewports[i];
const GLenum depth = viewports.depth_range_near != src.translate_z &&
viewports.depth_range_far != src.translate_z
? GL_NEGATIVE_ONE_TO_ONE
: GL_ZERO_TO_ONE;
state_tracker.SetDepthMode(depth);
}
if (device.HasDepthBufferFloat()) {
glDepthRangeIndexeddNV(static_cast<GLuint>(i), near_depth, far_depth);
} else {

16
src/video_core/renderer_opengl/gl_state_tracker.h
View File

@@ -112,6 +112,22 @@ public:
glClipControl(origin, depth);
}
void SetOrigin(GLenum new_origin) {
if (new_origin == origin) {
return;
}
origin = new_origin;
glClipControl(origin, depth);
}
void SetDepthMode(GLenum new_depth) {
if (new_depth == depth) {
return;
}
depth = new_depth;
glClipControl(origin, depth);
}
void SetYNegate(bool new_y_negate) {
if (new_y_negate == y_negate) {
return;