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gl_rasterizer: Properly scale viewports and scissors

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This commit is contained in:
ReinUsesLisp 2021-07-31 02:37:06 -03:00 committed by Fernando Sahmkow
parent 05d98d9bbf
commit 4a512d6827
1 changed files with 23 additions and 22 deletions
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45
src/video_core/renderer_opengl/gl_rasterizer.cpp
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@ -214,8 +214,6 @@ void RasterizerOpenGL::Draw(bool is_indexed, bool is_instanced) {
query_cache.UpdateCounters();
SyncState();
GraphicsPipeline* const pipeline{shader_cache.CurrentGraphicsPipeline()};
if (!pipeline) {
return;
@ -223,6 +221,8 @@ void RasterizerOpenGL::Draw(bool is_indexed, bool is_instanced) {
std::scoped_lock lock{buffer_cache.mutex, texture_cache.mutex};
pipeline->Configure(is_indexed);
SyncState();
const GLenum primitive_mode = MaxwellToGL::PrimitiveTopology(maxwell3d.regs.draw.topology);
BeginTransformFeedback(pipeline, primitive_mode);
@ -554,7 +554,6 @@ void RasterizerOpenGL::SyncViewport() {
}
glFrontFace(mode);
}
if (dirty_viewport || flags[Dirty::ClipControl]) {
flags[Dirty::ClipControl] = false;
@ -571,6 +570,8 @@ void RasterizerOpenGL::SyncViewport() {
state_tracker.ClipControl(origin, depth);
state_tracker.SetYNegate(regs.screen_y_control.y_negate != 0);
}
const bool is_rescaling{texture_cache.IsRescaling()};
const float scale = is_rescaling ? Settings::values.resolution_info.up_factor : 1.0f;
if (dirty_viewport) {
flags[Dirty::Viewports] = false;
@ -579,38 +580,38 @@ void RasterizerOpenGL::SyncViewport() {
flags[Dirty::ViewportTransform] = false;
flags[VideoCommon::Dirty::RescaleViewports] = false;
const auto& resolution = Settings::values.resolution_info;
const auto scale_up = [&](u32 value) -> u32 {
if (value == 0) {
return 0U;
}
const u32 converted_value = (value * resolution.up_scale) >> resolution.down_shift;
return std::max<u32>(converted_value, 1U);
};
for (std::size_t i = 0; i < Maxwell::NumViewports; ++i) {
if (!force && !flags[Dirty::Viewport0 + i]) {
for (size_t index = 0; index < Maxwell::NumViewports; ++index) {
if (!force && !flags[Dirty::Viewport0 + index]) {
continue;
}
flags[Dirty::Viewport0 + i] = false;
flags[Dirty::Viewport0 + index] = false;
const auto& src = regs.viewport_transform[i];
const Common::Rectangle<f32> rect{src.GetRect()};
glViewportIndexedf(static_cast<GLuint>(i), rect.left, rect.bottom,
scale_up(rect.GetWidth()), scale_up(rect.GetHeight()));
const auto& src = regs.viewport_transform[index];
GLfloat x = (src.translate_x - src.scale_x) * scale;
GLfloat y = (src.translate_y - src.scale_y) * scale;
GLfloat width = src.scale_x * 2.0f * scale;
GLfloat height = src.scale_y * 2.0f * scale;
if (height < 0) {
y += height;
height = -height;
}
glViewportIndexedf(static_cast<GLuint>(index), x, y, width != 0.0f ? width : 1.0f,
height != 0.0f ? height : 1.0f);
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 (device.HasDepthBufferFloat()) {
glDepthRangeIndexeddNV(static_cast<GLuint>(i), near_depth, far_depth);
glDepthRangeIndexeddNV(static_cast<GLuint>(index), near_depth, far_depth);
} else {
glDepthRangeIndexed(static_cast<GLuint>(i), near_depth, far_depth);
glDepthRangeIndexed(static_cast<GLuint>(index), near_depth, far_depth);
}
if (!GLAD_GL_NV_viewport_swizzle) {
continue;
}
glViewportSwizzleNV(static_cast<GLuint>(i), MaxwellToGL::ViewportSwizzle(src.swizzle.x),
glViewportSwizzleNV(static_cast<GLuint>(index),
MaxwellToGL::ViewportSwizzle(src.swizzle.x),
MaxwellToGL::ViewportSwizzle(src.swizzle.y),
MaxwellToGL::ViewportSwizzle(src.swizzle.z),
MaxwellToGL::ViewportSwizzle(src.swizzle.w));
@ -940,7 +941,7 @@ void RasterizerOpenGL::SyncScissorTest() {
const auto& src = regs.scissor_test[index];
if (src.enable) {
glEnablei(GL_SCISSOR_TEST, static_cast<GLuint>(index));
glScissorIndexed(static_cast<GLuint>(index), src.min_x, src.min_y,
glScissorIndexed(static_cast<GLuint>(index), scale_up(src.min_x), scale_up(src.min_y),
scale_up(src.max_x - src.min_x), scale_up(src.max_y - src.min_y));
} else {
glDisablei(GL_SCISSOR_TEST, static_cast<GLuint>(index));