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Add PICA texel-format and topology types

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Slowly stepping the codebase towards having renderer-agnostic types and keeping the translation of PICA-types to OpenGL/VK/DX/Software/etc to the renderer-backend.
This commit is contained in:
Wunkolo 2023-06-17 11:59:45 -07:00
parent d0ae5f0546
commit 78a3f9fa23
6 changed files with 85 additions and 76 deletions
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18
src/core/renderer_gl/renderer_gl.cpp
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@ -144,10 +144,10 @@ void Renderer::reset() {
// Init the colour/depth buffer settings to some random defaults on reset
colourBufferLoc = 0;
colourBufferFormat = ColourBuffer::Formats::RGBA8;
colourBufferFormat = PICAColorFmt::RGBA8;
depthBufferLoc = 0;
depthBufferFormat = DepthBuffer::Formats::Depth16;
depthBufferFormat = PICADepthFmt::Depth16;
if (triangleProgram.exists()) {
const auto oldProgram = OpenGL::getProgram();
@ -264,7 +264,13 @@ void Renderer::setupBlending() {
}
}
void Renderer::drawVertices(OpenGL::Primitives primType, std::span<const Vertex> vertices) {
void Renderer::drawVertices(PICAPrimType primType, std::span<const Vertex> vertices) {
// The fourth type is meant to be "Geometry primitive". TODO: Find out what that is
static constexpr std::array<OpenGL::Primitives, 4> primTypes = {
OpenGL::Triangle, OpenGL::TriangleStrip, OpenGL::TriangleFan, OpenGL::Triangle
};
const auto primitiveTopology = primTypes[static_cast<usize>(primType)];
// Adjust alpha test if necessary
const u32 alphaControl = regs[PICAInternalRegs::AlphaTestConfig];
if (alphaControl != oldAlphaControl) {
@ -352,7 +358,7 @@ void Renderer::drawVertices(OpenGL::Primitives primType, std::span<const Vertex>
}
vbo.bufferVertsSub(vertices);
OpenGL::draw(primType, vertices.size());
OpenGL::draw(primitiveTopology, vertices.size());
}
constexpr u32 topScreenBuffer = 0x1f000000;
@ -423,8 +429,8 @@ void Renderer::bindDepthBuffer() {
tex = depthBufferCache.add(sampleBuffer).texture.m_handle;
}
if (DepthBuffer::Formats::Depth24Stencil8 != depthBufferFormat) Helpers::panic("TODO: Should we remove stencil attachment?");
auto attachment = depthBufferFormat == DepthBuffer::Formats::Depth24Stencil8 ? GL_DEPTH_STENCIL_ATTACHMENT : GL_DEPTH_ATTACHMENT;
if (PICADepthFmt::Depth24Stencil8 != depthBufferFormat) Helpers::panic("TODO: Should we remove stencil attachment?");
auto attachment = depthBufferFormat == PICADepthFmt::Depth24Stencil8 ? GL_DEPTH_STENCIL_ATTACHMENT : GL_DEPTH_ATTACHMENT;
glFramebufferTexture2D(GL_FRAMEBUFFER, attachment, GL_TEXTURE_2D, tex, 0);
}