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renderer_gl: Implement semi proper clears

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This commit is contained in:
GPUCode 2023-07-26 22:34:39 +03:00
parent 50bcf3b617
commit c6c71bb9b2
4 changed files with 71 additions and 40 deletions
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41
src/core/renderer_gl/renderer_gl.cpp
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@ -472,14 +472,8 @@ void RendererGL::display() {
}
void RendererGL::clearBuffer(u32 startAddress, u32 endAddress, u32 value, u32 control) {
return;
log("GPU: Clear buffer\nStart: %08X End: %08X\nValue: %08X Control: %08X\n", startAddress, endAddress, value, control);
const float r = float(getBits<24, 8>(value)) / 255.0f;
const float g = float(getBits<16, 8>(value)) / 255.0f;
const float b = float(getBits<8, 8>(value)) / 255.0f;
const float a = float(value & 0xff) / 255.0f;
if (startAddress == topScreenBuffer) {
log("GPU: Cleared top screen\n");
} else if (startAddress == bottomScreenBuffer) {
@ -489,8 +483,39 @@ void RendererGL::clearBuffer(u32 startAddress, u32 endAddress, u32 value, u32 co
log("GPU: Clearing some unknown buffer\n");
}
OpenGL::setClearColor(r, g, b, a);
OpenGL::clearColor();
const auto color = colourBufferCache.findFromAddress(startAddress);
if (color) {
const float r = getBits<24, 8>(value) / 255.0f;
const float g = getBits<16, 8>(value) / 255.0f;
const float b = getBits<8, 8>(value) / 255.0f;
const float a = (value & 0xff) / 255.0f;
color->get().fbo.bind(OpenGL::DrawFramebuffer);
gl.setColourMask(true, true, true, true);
OpenGL::setClearColor(r, g, b, a);
OpenGL::clearColor();
return;
}
const auto depth = depthBufferCache.findFromAddress(startAddress);
if (depth) {
float depthVal;
const auto format = depth->get().format;
if (format == DepthFmt::Depth16) {
depthVal = (value & 0xffff) / 65535.0f;
} else {
depthVal = (value & 0xffffff) / 16777215.0f;
}
depth->get().fbo.bind(OpenGL::DrawFramebuffer);
OpenGL::setDepthMask(true);
OpenGL::setClearDepth(depthVal);
OpenGL::clearDepth();
if (format == DepthFmt::Depth24Stencil8) {
const u8 stencil = (value >> 24);
OpenGL::setStencilMask(0xFF);
OpenGL::setClearStencil(stencil);
}
return;
}
Helpers::warn("GPU: No buffer found!\n");
}
OpenGL::Framebuffer RendererGL::getColourFBO() {