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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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53
include/renderer_gl/surfaces.hpp
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@ -1,4 +1,5 @@
#pragma once
#include "PICA/regs.hpp"
#include "boost/icl/interval.hpp"
#include "helpers.hpp"
#include "opengl.hpp"
@ -7,18 +8,8 @@ template <typename T>
using Interval = boost::icl::right_open_interval<T>;
struct ColourBuffer {
enum class Formats : u32 {
RGBA8 = 0,
BGR8 = 1,
RGB5A1 = 2,
RGB565 = 3,
RGBA4 = 4,
Trash1 = 5, Trash2 = 6, Trash3 = 7 // Technically selectable, but their function is unknown
};
u32 location;
Formats format;
PICAColorFmt format;
OpenGL::uvec2 size;
bool valid;
@ -30,7 +21,7 @@ struct ColourBuffer {
ColourBuffer() : valid(false) {}
ColourBuffer(u32 loc, Formats format, u32 x, u32 y, bool valid = true)
ColourBuffer(u32 loc, PICAColorFmt format, u32 x, u32 y, bool valid = true)
: location(loc), format(format), size({x, y}), valid(valid) {
u64 endLoc = (u64)loc + sizeInBytes();
@ -78,31 +69,14 @@ struct ColourBuffer {
size.x() == other.size.x() && size.y() == other.size.y();
}
// Size occupied by each pixel in bytes
// All formats are 16BPP except for RGBA8 (32BPP) and BGR8 (24BPP)
size_t sizePerPixel() {
switch (format) {
case Formats::BGR8: return 3;
case Formats::RGBA8: return 4;
default: return 2;
}
}
size_t sizeInBytes() {
return (size_t)size.x() * (size_t)size.y() * sizePerPixel();
return (size_t)size.x() * (size_t)size.y() * sizePerPixel(format);
}
};
struct DepthBuffer {
enum class Formats : u32 {
Depth16 = 0,
Garbage = 1,
Depth24 = 2,
Depth24Stencil8 = 3
};
u32 location;
Formats format;
PICADepthFmt format;
OpenGL::uvec2 size; // Implicitly set to the size of the framebuffer
bool valid;
@ -113,7 +87,7 @@ struct DepthBuffer {
DepthBuffer() : valid(false) {}
DepthBuffer(u32 loc, Formats format, u32 x, u32 y, bool valid = true) :
DepthBuffer(u32 loc, PICADepthFmt format, u32 x, u32 y, bool valid = true) :
location(loc), format(format), size({x, y}), valid(valid) {
u64 endLoc = (u64)loc + sizeInBytes();
@ -122,7 +96,7 @@ struct DepthBuffer {
}
bool hasStencil() {
return format == Formats::Depth24Stencil8;
return format == PICADepthFmt::Depth24Stencil8;
}
void allocate() {
@ -167,18 +141,7 @@ struct DepthBuffer {
size.x() == other.size.x() && size.y() == other.size.y();
}
// Size occupied by each pixel in bytes
size_t sizePerPixel() {
switch (format) {
case Formats::Depth16: return 2;
case Formats::Depth24: return 3;
case Formats::Depth24Stencil8: return 4;
default: return 1; // Invalid format
}
}
size_t sizeInBytes() {
return (size_t)size.x() * (size_t)size.y() * sizePerPixel();
return (size_t)size.x() * (size_t)size.y() * sizePerPixel(format);
}
};