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[Feat] (MG_Backend/DirectGLES): support compute shaders

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This commit is contained in:
swung0x48
2026-06-05 10:41:23 +08:00
parent dcd37f3c38
commit 3bd8a62aa8
19 changed files with 775 additions and 46 deletions
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MobileGL/MG_Impl/GLImpl/Getter/GL_Getter.cpp
+76 -16
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@@ -120,6 +120,42 @@ namespace MobileGL::MG_Impl::GLImpl {
return (const GLubyte*)extStrings[index].c_str();
}
void GetIntegeri_v(GLenum target, GLuint index, GLint* data) {
if (!data) {
MG_State::pGLContext->RecordError(
ErrorCode::InvalidValue,
MakeUnique<GenericErrorInfo>("MG_Impl/GLImpl", __func__, "data pointer cannot be null"));
return;
}
auto getIntegeri = MG_Backend::gBackendFunctionsTable.GL.GetIntegeri_v;
if (!getIntegeri) {
*data = 0;
MG_State::pGLContext->RecordError(
ErrorCode::InvalidOperation,
MakeUnique<GenericErrorInfo>("MG_Impl/GLImpl", __func__, "Backend does not support indexed integer queries."));
return;
}
getIntegeri(target, index, data);
}
void GetInteger64i_v(GLenum target, GLuint index, GLint64* data) {
if (!data) {
MG_State::pGLContext->RecordError(
ErrorCode::InvalidValue,
MakeUnique<GenericErrorInfo>("MG_Impl/GLImpl", __func__, "data pointer cannot be null"));
return;
}
auto getInteger64i = MG_Backend::gBackendFunctionsTable.GL.GetInteger64i_v;
if (!getInteger64i) {
*data = 0;
MG_State::pGLContext->RecordError(
ErrorCode::InvalidOperation,
MakeUnique<GenericErrorInfo>("MG_Impl/GLImpl", __func__, "Backend does not support indexed integer queries."));
return;
}
getInteger64i(target, index, data);
}
void GetIntegerv(GLenum pname, GLint* params) {
MGLOG_D("glGetIntegerv, pname: %s", MG_Util::ConvertGLEnumToString(pname).c_str());
if (!params) {
@@ -213,41 +249,47 @@ namespace MobileGL::MG_Impl::GLImpl {
*params = 0; // TODO
break;
case GL_MAX_COMPUTE_SHADER_STORAGE_BLOCKS:
*params = 0; // TODO
*params = 16; // TODO: use backend value
break;
case GL_MAX_COMBINED_SHADER_STORAGE_BLOCKS:
*params = 0; // TODO
*params = 96; // TODO: use backend value
break;
case GL_MAX_COMPUTE_UNIFORM_BLOCKS:
*params = 0; // TODO
*params = 14; // TODO: use backend value
break;
case GL_MAX_COMPUTE_TEXTURE_IMAGE_UNITS:
*params = 0; // TODO
*params = MG_State::GLState::TextureState::MAX_TEXTURE_IMAGE_UNITS; // TODO: use backend value
break;
case GL_MAX_COMPUTE_UNIFORM_COMPONENTS:
*params = 0; // TODO
*params = 1024 * 4; // TODO: use backend value
break;
case GL_MAX_COMPUTE_ATOMIC_COUNTERS:
*params = 0; // TODO
*params = 8; // TODO: use backend value
break;
case GL_MAX_COMPUTE_ATOMIC_COUNTER_BUFFERS:
*params = 0; // TODO
*params = 8; // TODO: use backend value
break;
case GL_MAX_COMBINED_COMPUTE_UNIFORM_COMPONENTS:
*params = 0; // TODO
*params = 1024 * 228; // TODO: use backend value
break;
case GL_MAX_COMPUTE_WORK_GROUP_INVOCATIONS:
*params = 0; // TODO
*params = 1024; // TODO: use backend value
break;
case GL_MAX_COMPUTE_WORK_GROUP_COUNT:
*params = 0; // TODO
GetIntegeri_v(GL_MAX_COMPUTE_WORK_GROUP_COUNT, 0, &params[0]);
GetIntegeri_v(GL_MAX_COMPUTE_WORK_GROUP_COUNT, 1, &params[1]);
GetIntegeri_v(GL_MAX_COMPUTE_WORK_GROUP_COUNT, 2, &params[2]);
break;
case GL_MAX_COMPUTE_WORK_GROUP_SIZE:
*params = 0; // TODO
GetIntegeri_v(GL_MAX_COMPUTE_WORK_GROUP_SIZE, 0, &params[0]);
GetIntegeri_v(GL_MAX_COMPUTE_WORK_GROUP_SIZE, 1, &params[1]);
GetIntegeri_v(GL_MAX_COMPUTE_WORK_GROUP_SIZE, 2, &params[2]);
break;
case GL_DISPATCH_INDIRECT_BUFFER_BINDING:
*params = 0; // TODO
case GL_DISPATCH_INDIRECT_BUFFER_BINDING: {
auto& obj = MG_State::pGLContext->GetBufferBindingSlot(BufferTarget::DispatchIndirect).GetBoundObject();
*params = obj ? static_cast<GLint>(obj->GetExternalIndex()) : 0;
break;
}
case GL_MAX_DEBUG_GROUP_STACK_DEPTH:
*params = 0; // TODO
break;
@@ -437,6 +479,22 @@ namespace MobileGL::MG_Impl::GLImpl {
case GL_MAX_GEOMETRY_UNIFORM_COMPONENTS:
*params = 1024 * 4; // TODO
break;
case GL_MAX_IMAGE_UNITS:
*params = MG_State::GLState::TextureState::MAX_TEXTURE_IMAGE_UNITS; // TODO: use backend value
break;
case GL_MAX_COMBINED_IMAGE_UNITS_AND_FRAGMENT_OUTPUTS:
*params = MG_State::GLState::TextureState::MAX_TEXTURE_IMAGE_UNITS +
MG_State::GLState::FramebufferObject::MAX_DRAW_BUFFERS;
break;
case GL_MAX_COMBINED_IMAGE_UNIFORMS:
*params = MG_State::GLState::TextureState::MAX_TEXTURE_IMAGE_UNITS; // TODO: use backend value
break;
case GL_MAX_IMAGE_SAMPLES:
*params = 0; // multisampled image load/store is not exposed by the DirectGLES frontend
break;
case GL_MAX_COMPUTE_IMAGE_UNIFORMS:
*params = MG_State::GLState::TextureState::MAX_TEXTURE_IMAGE_UNITS; // TODO: use backend value
break;
case GL_MAX_INTEGER_SAMPLES:
*params = 16; // TODO
break;
@@ -674,11 +732,13 @@ namespace MobileGL::MG_Impl::GLImpl {
case GL_SHADER_COMPILER:
*params = 0; // TODO
break;
case GL_SHADER_STORAGE_BUFFER_BINDING:
*params = 0; // TODO
case GL_SHADER_STORAGE_BUFFER_BINDING: {
auto& obj = MG_State::pGLContext->GetBufferBindingSlot(BufferTarget::ShaderStorage).GetBoundObject();
*params = obj ? static_cast<GLint>(obj->GetExternalIndex()) : 0;
break;
}
case GL_SHADER_STORAGE_BUFFER_OFFSET_ALIGNMENT:
*params = 0; // TODO
*params = 256; // TODO: use backend value
break;
case GL_SHADER_STORAGE_BUFFER_START:
*params = 0; // TODO