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[Fix] (Diligent/Texture): Fix glTexSubImage2D crashing.

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This commit is contained in:
BZLZHH
2025-06-07 22:14:34 +08:00
parent 2caade5a36
commit ad6b9c1ca7
1 changed files with 50 additions and 20 deletions
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MG/MG_GL/Implementations/GL/Texture/GL_Texture.cpp
+50 -20
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@@ -426,54 +426,84 @@ namespace MG_GL::GL {
GLsizei height, GLenum format, GLenum type, const void* pixels) {
MG_Util::Debug::LogD("glTexSubImage2D, target: %d, level: %d, xoffset: %d, yoffset: %d, width: %d, height: %d, format: %d, type: %d, pixels: %p",
target, level, xoffset, yoffset, width, height, format, type, pixels);
GLenum result = MG_State::UpdateTextureRegion2D(target, level, xoffset, yoffset, width, height, format, type, pixels);
if (result != GL_NO_ERROR) {
MG_State::SetError(result);
MG_Util::Debug::LogE("Error from MG State: %s", MG_Util::Debug::GLEnumToString(result));
return;
}
auto& texState = *MG_State_T::textureState;
auto activeUnit = texState.activeTextureUnit_;
auto unitState = &texState.textureUnits_[activeUnit];
GLuint boundTextureID = unitState->GetBoundTexture(target);
if (boundTextureID == 0) {
MG_Util::Debug::LogD("TexSubImage2D: No texture bound. Skipping update.");
MG_Util::Debug::LogD("TexSubImage2D: No texture bound to active unit. Skipping update.");
return;
}
Diligent::ITexture* pTexture = MG_Diligent::g_TextureMap[boundTextureID];
Diligent::ITexture* pTexture = nullptr;
auto texIt = MG_Diligent::g_TextureMap.find(boundTextureID);
if (texIt != MG_Diligent::g_TextureMap.end()) {
pTexture = texIt->second;
}
if (!pTexture) {
MG_Util::Debug::LogW("TexSubImage2D: Diligent texture not found for GL name %u", boundTextureID);
return;
}
const auto& texDesc = pTexture->GetDesc();
if (!(texDesc.BindFlags & Diligent::BIND_SHADER_RESOURCE)) {
MG_Util::Debug::LogE("TexSubImage2D: Texture %u does not have BIND_SHADER_RESOURCE flag", boundTextureID);
return;
}
Diligent::TextureDesc desc = pTexture->GetDesc();
if (xoffset < 0 || yoffset < 0 ||
(xoffset + width) > desc.Width ||
(yoffset + height) > desc.Height) {
MG_Util::Debug::LogE("TexSubImage2D: Update region out of bounds: [%d, %d, %d, %d] vs texture size [%u, %u]",
xoffset, yoffset, width, height, desc.Width, desc.Height);
return;
}
Diligent::TextureSubResData SubResData;
SubResData.pData = pixels;
SubResData.Stride = width * GetBytesPerPixel(format, type);
Diligent::Box UpdateBox;
UpdateBox.MinX = xoffset;
UpdateBox.MinX = xoffset;
UpdateBox.MaxX = xoffset + width;
UpdateBox.MinY = yoffset;
UpdateBox.MinY = yoffset;
UpdateBox.MaxY = yoffset + height;
MG_Util::Debug::LogD("TexSubImage2D: Updating region [%d,%d]-[%d,%d] at level %d",
xoffset, yoffset, xoffset+width, yoffset+height, level);
UpdateBox.MinZ = 0;
UpdateBox.MaxZ = 1;
MG_Util::Debug::LogD("TexSubImage2D: Updating region [%d,%d]-[%d,%d] at level %d",
xoffset, yoffset, xoffset+width, yoffset+height, level);
if (MG_Diligent::IsInRenderPass) {
MG_Diligent::g_pContext->EndRenderPass();
MG_Diligent::IsInRenderPass = false;
}
MG_Diligent::g_pContext->UpdateTexture(
pTexture,
level,
0,
UpdateBox,
SubResData,
Diligent::RESOURCE_STATE_TRANSITION_MODE_TRANSITION,
Diligent::RESOURCE_STATE_TRANSITION_MODE_TRANSITION
pTexture,
level,
0,
UpdateBox,
SubResData,
Diligent::RESOURCE_STATE_TRANSITION_MODE_TRANSITION,
Diligent::RESOURCE_STATE_TRANSITION_MODE_TRANSITION
);
MG_Util::Debug::LogD("TexSubImage2D: Update completed successfully");
}
void GetTexLevelParameteriv(GLenum target, GLint level, GLenum pname, GLint* params) {
MG_Util::Debug::LogD("glGetTexLevelParameteriv, target: %d, level: %d, pname: %d, params: %p",
target, level, pname, params);