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Use extensions to probe for 24 or 32bit depth buffer (#329)

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Anders Jenbo 2025-06-17 17:50:36 +02:00 committed by GitHub
parent 3cfa3f5bec
commit e9c5e5b9ba
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1 changed files with 22 additions and 1 deletions
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23
miniwin/src/d3drm/backends/opengles2/renderer.cpp
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@ -2,6 +2,7 @@
#include "meshutils.h" #include "meshutils.h"
#include <GLES2/gl2.h> #include <GLES2/gl2.h>
#include <GLES2/gl2ext.h>
#include <SDL3/SDL.h> #include <SDL3/SDL.h>
#include <algorithm> #include <algorithm>
#include <string> #include <string>
@ -76,7 +77,18 @@ Direct3DRMRenderer* OpenGLES2Renderer::Create(DWORD width, DWORD height)
GLuint depthRb; GLuint depthRb;
glGenRenderbuffers(1, &depthRb); glGenRenderbuffers(1, &depthRb);
glBindRenderbuffer(GL_RENDERBUFFER, depthRb); glBindRenderbuffer(GL_RENDERBUFFER, depthRb);
glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH_COMPONENT16, width, height); const char* extensions = (const char*) glGetString(GL_EXTENSIONS);
if (extensions) {
if (strstr(extensions, "GL_OES_depth24")) {
glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH_COMPONENT24_OES, width, height);
}
else if (strstr(extensions, "GL_OES_depth32")) {
glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH_COMPONENT32_OES, width, height);
}
}
else {
glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH_COMPONENT16, width, height);
}
glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, depthRb); glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, depthRb);
if (glCheckFramebufferStatus(GL_FRAMEBUFFER) != GL_FRAMEBUFFER_COMPLETE) { if (glCheckFramebufferStatus(GL_FRAMEBUFFER) != GL_FRAMEBUFFER_COMPLETE) {
@ -454,6 +466,15 @@ void OpenGLES2Renderer::GetDesc(D3DDEVICEDESC* halDesc, D3DDEVICEDESC* helDesc)
halDesc->dcmColorModel = D3DCOLORMODEL::RGB; halDesc->dcmColorModel = D3DCOLORMODEL::RGB;
halDesc->dwFlags = D3DDD_DEVICEZBUFFERBITDEPTH; halDesc->dwFlags = D3DDD_DEVICEZBUFFERBITDEPTH;
halDesc->dwDeviceZBufferBitDepth = DDBD_16; halDesc->dwDeviceZBufferBitDepth = DDBD_16;
const char* extensions = (const char*) glGetString(GL_EXTENSIONS);
if (extensions) {
if (strstr(extensions, "GL_OES_depth24")) {
halDesc->dwDeviceZBufferBitDepth |= DDBD_24;
}
if (strstr(extensions, "GL_OES_depth32")) {
halDesc->dwDeviceZBufferBitDepth |= DDBD_32;
}
}
helDesc->dwDeviceRenderBitDepth = DDBD_32; helDesc->dwDeviceRenderBitDepth = DDBD_32;
halDesc->dpcTriCaps.dwTextureCaps = D3DPTEXTURECAPS_PERSPECTIVE; halDesc->dpcTriCaps.dwTextureCaps = D3DPTEXTURECAPS_PERSPECTIVE;
halDesc->dpcTriCaps.dwShadeCaps = D3DPSHADECAPS_ALPHAFLATBLEND; halDesc->dpcTriCaps.dwShadeCaps = D3DPSHADECAPS_ALPHAFLATBLEND;