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renderer_gl: Proper viewport rendering

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* I've also corrected a mistake made in the displayTransfer/textureCopy rectangles.
This commit is contained in:
GPUCode 2023-08-12 03:19:06 +03:00
parent 1544710e36
commit d6e5f658d6
2 changed files with 15 additions and 8 deletions
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1
include/PICA/regs.hpp
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@ -22,6 +22,7 @@ namespace PICA {
ShaderOutputCount = 0x4F,
ShaderOutmap0 = 0x50,
ViewportXY = 0x68,
DepthmapEnable = 0x6D,
// Texture registers

22
src/core/renderer_gl/renderer_gl.cpp
View file

@ -369,8 +369,8 @@ void RendererGL::drawVertices(PICA::PrimType primType, std::span<const Vertex> v
}
setupBlending();
OpenGL::Framebuffer poop = getColourFBO();
poop.bind(OpenGL::DrawAndReadFramebuffer);
auto poop = getColourBuffer(colourBufferLoc, colourBufferFormat, fbSize[0], fbSize[1]);
poop->fbo.bind(OpenGL::DrawAndReadFramebuffer);
const u32 depthControl = regs[PICA::InternalRegs::DepthAndColorMask];
const bool depthWrite = regs[PICA::InternalRegs::DepthBufferWrite];
@ -413,10 +413,12 @@ void RendererGL::drawVertices(PICA::PrimType primType, std::span<const Vertex> v
updateLightingLUT();
}
// TODO: Actually use this
GLsizei viewportWidth = GLsizei(f24::fromRaw(regs[PICA::InternalRegs::ViewportWidth] & 0xffffff).toFloat32() * 2.0f);
GLsizei viewportHeight = GLsizei(f24::fromRaw(regs[PICA::InternalRegs::ViewportHeight] & 0xffffff).toFloat32() * 2.0f);
OpenGL::setViewport(viewportWidth, viewportHeight);
const GLsizei viewportX = regs[PICA::InternalRegs::ViewportXY] & 0x3ff;
const GLsizei viewportY = (regs[PICA::InternalRegs::ViewportXY] >> 16) & 0x3ff;
const GLsizei viewportWidth = GLsizei(f24::fromRaw(regs[PICA::InternalRegs::ViewportWidth] & 0xffffff).toFloat32() * 2.0f);
const GLsizei viewportHeight = GLsizei(f24::fromRaw(regs[PICA::InternalRegs::ViewportHeight] & 0xffffff).toFloat32() * 2.0f);
const auto rect = poop->getSubRect(colourBufferLoc, fbSize[0], fbSize[1]);
OpenGL::setViewport(rect.left + viewportX, rect.bottom + viewportY, viewportWidth, viewportHeight);
const u32 stencilConfig = regs[PICA::InternalRegs::StencilTest];
const bool stencilEnable = getBit<0>(stencilConfig);
@ -628,8 +630,10 @@ void RendererGL::displayTransfer(u32 inputAddr, u32 outputAddr, u32 inputSize, u
// Blit the framebuffers
srcFramebuffer->fbo.bind(OpenGL::ReadFramebuffer);
destFramebuffer->fbo.bind(OpenGL::DrawFramebuffer);
gl.disableScissor();
glBlitFramebuffer(
srcRect.left, srcRect.top, srcRect.right, srcRect.bottom, destRect.left, destRect.top, destRect.right, destRect.bottom, GL_COLOR_BUFFER_BIT,
srcRect.left, srcRect.bottom, srcRect.right, srcRect.top, destRect.left, destRect.bottom, destRect.right, destRect.top, GL_COLOR_BUFFER_BIT,
GL_LINEAR
);
}
@ -694,8 +698,10 @@ void RendererGL::textureCopy(u32 inputAddr, u32 outputAddr, u32 totalBytes, u32
// Blit the framebuffers
srcFramebuffer->fbo.bind(OpenGL::ReadFramebuffer);
destFramebuffer->fbo.bind(OpenGL::DrawFramebuffer);
gl.disableScissor();
glBlitFramebuffer(
srcRect.left, srcRect.top, srcRect.right, srcRect.bottom, destRect.left, destRect.top, destRect.right, destRect.bottom, GL_COLOR_BUFFER_BIT,
srcRect.left, srcRect.bottom, srcRect.right, srcRect.top, destRect.left, destRect.bottom, destRect.right, destRect.top, GL_COLOR_BUFFER_BIT,
GL_LINEAR
);
}