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a bunch of junk, merging 'shitty' branch

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swung0x48
2025-05-06 16:20:18 +08:00
parent 31d2d62a59
commit c68cbfa37b
14 changed files with 797 additions and 10 deletions
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MG/MG_GL/Implementations/GL/Drawing/GL_Drawing.cpp
+35 -2
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@@ -3,12 +3,45 @@
//
#include "GL_Drawing.h"
#include "../../../../MG_RHI/GLES/RHI.h"
namespace MG_GL::GL {
// This is a test function that directly draws textures.
void DrawElements(GLenum mode, GLsizei count, GLenum type, const void *indices) {
::GLES::glViewport(0,0,3200,1440);
MG_RHI::GLES::Test::DrawAllTextures();
// ::GLES::glViewport(0,0,3200,1440);
// MG_RHI::GLES::Test::DrawAllTextures();
VertexArrayState* vaState = MG_State_T::vertexArrayState;
VertexArrayObject* vao = &vaState->vaos_[vaState->currentVao_];
auto& rhi = MG_RHI::GLES::RHI::GetInstance();
rhi.TransitionTo(MG_RHI::GLES::State::DrawElements);
if (vao->elementBuffer != 0 && indices != nullptr) {
static GLuint dynamicIBO = 0;
if (dynamicIBO == 0) {
MGL_TRY(::GLES::glGenBuffers(1, &dynamicIBO);)
}
size_t typeSize = 0;
switch(type) {
case GL_UNSIGNED_BYTE: typeSize = sizeof(GLubyte); break;
case GL_UNSIGNED_SHORT: typeSize = sizeof(GLushort); break;
case GL_UNSIGNED_INT: typeSize = sizeof(GLuint); break;
}
size_t dataSize = count * typeSize;
MGL_TRY(::GLES::glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, dynamicIBO);)
MGL_TRY(::GLES::glBufferData(GL_ELEMENT_ARRAY_BUFFER, dataSize, indices, GL_STREAM_DRAW);)
}
if (vao->elementBuffer != 0 || indices != nullptr) {
MGL_TRY(::GLES::glDrawElements(
mode,
count,
type,
indices
);)
}
};
void DrawArrays(GLenum mode, GLint first, GLsizei count) {
::GLES::glViewport(0,0,3200,1440);