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Don't use IBOs

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Shinovon 2026-05-03 00:28:22 +05:00
parent 7dae1b0268
commit 1209902fe9
3 changed files with 9 additions and 7 deletions
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1
group/common.mmh
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@ -10,6 +10,7 @@ USERINCLUDE .
MACRO LIBRW MACRO LIBRW
MACRO RW_GL3 MACRO RW_GL3
MACRO RW_OPENGL // because carbide is too stupid
MACRO MASTER MACRO MASTER
DEBUGGABLE DEBUGGABLE

10
vendor/librw/src/gl/gl3pipe.cpp vendored
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@ -28,7 +28,7 @@ freeInstanceData(Geometry *geometry)
return; return;
InstanceDataHeader *header = (InstanceDataHeader*)geometry->instData; InstanceDataHeader *header = (InstanceDataHeader*)geometry->instData;
geometry->instData = nil; geometry->instData = nil;
glDeleteBuffers(1, &header->ibo); // glDeleteBuffers(1, &header->ibo);
glDeleteBuffers(1, &header->vbo); glDeleteBuffers(1, &header->vbo);
#ifdef RW_GL_USE_VAOS #ifdef RW_GL_USE_VAOS
glDeleteBuffers(1, &header->vao); glDeleteBuffers(1, &header->vao);
@ -92,10 +92,10 @@ instanceMesh(rw::ObjPipeline *rwpipe, Geometry *geo)
glGenVertexArrays(1, &header->vao); glGenVertexArrays(1, &header->vao);
glBindVertexArray(header->vao); glBindVertexArray(header->vao);
#endif #endif
glGenBuffers(1, &header->ibo); // glGenBuffers(1, &header->ibo);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, header->ibo); // glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, header->ibo);
glBufferData(GL_ELEMENT_ARRAY_BUFFER, header->totalNumIndex*2, // glBufferData(GL_ELEMENT_ARRAY_BUFFER, header->totalNumIndex*2,
header->indexBuffer, GL_STATIC_DRAW); // header->indexBuffer, GL_STATIC_DRAW);
return header; return header;
} }

5
vendor/librw/src/gl/gl3render.cpp vendored
View file

@ -1,6 +1,7 @@
#include <stdio.h> #include <stdio.h>
#include <stdlib.h> #include <stdlib.h>
#include <string.h> #include <string.h>
#include <assert.h>
#include "../rwbase.h" #include "../rwbase.h"
#include "../rwerror.h" #include "../rwerror.h"
@ -25,7 +26,7 @@ drawInst_simple(InstanceDataHeader *header, InstanceData *inst)
{ {
flushCache(); flushCache();
glDrawElements(header->primType, inst->numIndex, glDrawElements(header->primType, inst->numIndex,
GL_UNSIGNED_SHORT, (void*)(uintptr)inst->offset); GL_UNSIGNED_SHORT, ((uint8*) header->indexBuffer) + inst->offset);
} }
// Emulate PS2 GS alpha test FB_ONLY case: failed alpha writes to frame- but not to depth buffer // Emulate PS2 GS alpha test FB_ONLY case: failed alpha writes to frame- but not to depth buffer
@ -93,7 +94,7 @@ disableAttribPointers(AttribDesc *attribDescs, int32 numAttribs)
void void
setupVertexInput(InstanceDataHeader *header) setupVertexInput(InstanceDataHeader *header)
{ {
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, header->ibo); glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
glBindBuffer(GL_ARRAY_BUFFER, header->vbo); glBindBuffer(GL_ARRAY_BUFFER, header->vbo);
setAttribPointers(header->attribDesc, header->numAttribs); setAttribPointers(header->attribDesc, header->numAttribs);
} }