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[Feat|Fix] (MG_Backend/DirectVulkan): Impl (Multi)DrawElementsBaseVertex. Fix Blitframebuffer.

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This commit is contained in:
BZLZHH
2026-02-21 17:37:50 +08:00
parent 07b7f7eba5
commit d84b4da766
5 changed files with 875 additions and 161 deletions
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MobileGL/MG_Backend/DirectVulkan/DirectVulkan.cpp
+164 -5
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@@ -17,10 +17,165 @@ namespace MobileGL::MG_Backend::DirectVulkan {
void ClearBufferfv(GLenum buffer, GLint drawbuffer, const GLfloat* value) {}
void ClearBufferuiv(GLenum buffer, GLint drawbuffer, const GLuint* value) {}
void ClearBufferiv(GLenum buffer, GLint drawbuffer, const GLint* value) {}
void DrawElementsBaseVertex(GLenum mode, GLsizei count, GLenum type, const GLvoid* indices, GLint basevertex) {}
void DrawElementsBaseVertex(GLenum mode, GLsizei count, GLenum type, const GLvoid* indices, GLint basevertex) {
MOBILEGL_ASSERT(pVulkanRenderer, "DirectVulkan::DrawElementsBaseVertex called with null VulkanRenderer");
MOBILEGL_ASSERT(MG_State::pGLContext, "DirectVulkan::DrawElementsBaseVertex called with null GL context");
if (count < 0) {
MGLOG_W("DrawElementsBaseVertex skipped: count (%d) must be non-negative", count);
return;
}
if (count == 0) {
return;
}
if (mode != GL_TRIANGLES) {
MGLOG_W("DrawElementsBaseVertex skipped: primitive mode %u is not supported yet", mode);
return;
}
SizeT indexSize = 0;
switch (type) {
case GL_UNSIGNED_SHORT:
indexSize = sizeof(Uint16);
break;
case GL_UNSIGNED_INT:
indexSize = sizeof(Uint32);
break;
default:
MGLOG_W("DrawElementsBaseVertex skipped: index type %u is not supported yet", type);
return;
}
const auto vao = MG_State::pGLContext->GetBoundVertexArray();
if (!vao) {
MGLOG_W("DrawElementsBaseVertex skipped: no bound VAO");
return;
}
const auto indexBuffer = vao->GetIndexBufferBindingSlot().GetBoundObject();
if (!indexBuffer) {
MGLOG_W("DrawElementsBaseVertex skipped: no bound ELEMENT_ARRAY_BUFFER");
return;
}
const auto indexData = indexBuffer->GetDataReadOnly();
if (!indexData || indexData->empty()) {
MGLOG_W("DrawElementsBaseVertex skipped: ELEMENT_ARRAY_BUFFER has no data");
return;
}
const SizeT byteOffset = reinterpret_cast<SizeT>(indices);
const SizeT requiredBytes = static_cast<SizeT>(count) * indexSize;
if (byteOffset + requiredBytes > indexBuffer->GetSize()) {
MGLOG_W("DrawElementsBaseVertex skipped: index range out of bounds (offset=%zu, size=%zu, buffer=%zu)",
byteOffset, requiredBytes, indexBuffer->GetSize());
return;
}
DrawElementPayload payload{};
payload.drawArray.mode = mode;
payload.drawArray.first = 0;
payload.drawArray.count = count;
const auto currentProgram = MG_State::pGLContext->GetCurrentProgram();
payload.drawArray.program = currentProgram ? currentProgram.get() : nullptr;
payload.drawArray.vertexArray = vao.get();
payload.indexType = type;
payload.indexByteOffset = byteOffset;
payload.baseVertex = basevertex;
pVulkanRenderer->DrawElements(payload);
}
void MultiDrawElementsBaseVertex(GLenum mode, const GLsizei* count, GLenum type, const GLvoid* const* indices,
GLsizei drawcount, const GLint* basevertex) {}
GLsizei drawcount, const GLint* basevertex) {
MOBILEGL_ASSERT(pVulkanRenderer, "DirectVulkan::MultiDrawElementsBaseVertex called with null VulkanRenderer");
MOBILEGL_ASSERT(MG_State::pGLContext, "DirectVulkan::MultiDrawElementsBaseVertex called with null GL context");
if (drawcount < 0) {
MGLOG_W("MultiDrawElementsBaseVertex skipped: drawcount (%d) must be non-negative", drawcount);
return;
}
if (drawcount == 0) {
return;
}
if (!count || !indices || !basevertex) {
MGLOG_W("MultiDrawElementsBaseVertex skipped: count/indices/basevertex pointer is null");
return;
}
if (mode != GL_TRIANGLES) {
MGLOG_W("MultiDrawElementsBaseVertex skipped: primitive mode %u is not supported yet", mode);
return;
}
SizeT indexSize = 0;
switch (type) {
case GL_UNSIGNED_SHORT:
indexSize = sizeof(Uint16);
break;
case GL_UNSIGNED_INT:
indexSize = sizeof(Uint32);
break;
default:
MGLOG_W("MultiDrawElementsBaseVertex skipped: index type %u is not supported yet", type);
return;
}
const auto vao = MG_State::pGLContext->GetBoundVertexArray();
if (!vao) {
MGLOG_W("MultiDrawElementsBaseVertex skipped: no bound VAO");
return;
}
const auto indexBuffer = vao->GetIndexBufferBindingSlot().GetBoundObject();
if (!indexBuffer) {
MGLOG_W("MultiDrawElementsBaseVertex skipped: no bound ELEMENT_ARRAY_BUFFER");
return;
}
const auto indexData = indexBuffer->GetDataReadOnly();
if (!indexData || indexData->empty()) {
MGLOG_W("MultiDrawElementsBaseVertex skipped: ELEMENT_ARRAY_BUFFER has no data");
return;
}
const auto currentProgram = MG_State::pGLContext->GetCurrentProgram();
Vector<DrawElementPayload> payloads;
payloads.reserve(static_cast<SizeT>(drawcount));
for (GLsizei i = 0; i < drawcount; ++i) {
if (count[i] < 0) {
MGLOG_W("MultiDrawElementsBaseVertex skipped: count[%d] (%d) must be non-negative", i, count[i]);
return;
}
if (count[i] == 0) {
continue;
}
const SizeT byteOffset = reinterpret_cast<SizeT>(indices[i]);
const SizeT requiredBytes = static_cast<SizeT>(count[i]) * indexSize;
if (byteOffset + requiredBytes > indexBuffer->GetSize()) {
MGLOG_W("MultiDrawElementsBaseVertex skipped: draw[%d] index range out of bounds (offset=%zu, "
"size=%zu, buffer=%zu)",
i, byteOffset, requiredBytes, indexBuffer->GetSize());
return;
}
DrawElementPayload payload{};
payload.drawArray.mode = mode;
payload.drawArray.first = 0;
payload.drawArray.count = count[i];
payload.drawArray.program = currentProgram ? currentProgram.get() : nullptr;
payload.drawArray.vertexArray = vao.get();
payload.indexType = type;
payload.indexByteOffset = byteOffset;
payload.baseVertex = basevertex[i];
payloads.push_back(payload);
}
if (payloads.empty()) {
return;
}
pVulkanRenderer->MultiDrawElements(payloads);
}
void MultiDrawElementsIndirect(GLenum mode, GLenum type, const void* indirect, GLsizei drawcount, GLsizei stride) {}
void MultiDrawArraysIndirect(GLenum mode, const void* indirect, GLsizei drawcount, GLsizei stride) {}
void DrawRangeElementsBaseVertex(GLenum mode, GLuint start, GLuint end, GLsizei count, GLenum type,
@@ -270,20 +425,24 @@ namespace MobileGL::MG_Backend::DirectVulkan {
MOBILEGL_ASSERT(pVulkanRenderer, "DirectVulkan::BlitFramebuffer called with null VulkanRenderer");
MOBILEGL_ASSERT(MG_State::pGLContext, "DirectVulkan::BlitFramebuffer called with null GL context");
const auto readFbo = MG_State::pGLContext->GetFramebufferBindingSlot(FramebufferTarget::Read).GetBoundObject();
const auto drawFbo = MG_State::pGLContext->GetFramebufferBindingSlot(FramebufferTarget::Draw).GetBoundObject();
const auto& readFboSlot = MG_State::pGLContext->GetFramebufferBindingSlot(FramebufferTarget::Read);
const auto& drawFboSlot = MG_State::pGLContext->GetFramebufferBindingSlot(FramebufferTarget::Draw);
const auto readFbo = readFboSlot.GetBoundObject();
const auto drawFbo = drawFboSlot.GetBoundObject();
const auto defaultFboInfo = MG_Impl::GLImpl::FramebufferImpl::pDefaultFramebufferInfo;
const auto defaultFbo = defaultFboInfo ? defaultFboInfo->defaultFBO : nullptr;
const Bool readIsDefault = (readFbo == defaultFbo) || (readFbo == nullptr && defaultFbo != nullptr);
const Bool drawIsDefault = (drawFbo == defaultFbo) || (drawFbo == nullptr && defaultFbo != nullptr);
Uint readFboExternalIndex = 0;
Uint drawFboExternalIndex = 0;
if (readFbo) {
readFboExternalIndex = readFbo->GetExternalIndex();
} else if (defaultFbo) {
readFboExternalIndex = defaultFbo->GetExternalIndex();
}
Uint drawFboExternalIndex = 0;
if (drawFbo) {
drawFboExternalIndex = drawFbo->GetExternalIndex();
} else if (defaultFbo) {