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[Feat] (MG_Impl, MG_State, MG_Util, DirectGLES, DirectVulkan, MG_Test): implement ARB_clear_buffer_object correctly

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swung0x48
2026-08-16 01:12:28 -04:00
parent 14d3901d30
commit b3794f4e6a
11 changed files with 293 additions and 35 deletions
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MobileGL/MG_Backend/DirectGLES/BackendObject_DirectGLES.cpp
+1 -1
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@@ -932,7 +932,7 @@ namespace MobileGL::MG_Backend::DirectGLES {
Vector<GLExtension> extensions = {
V_OpenGL30, V_OpenGL31, V_OpenGL32, V_OpenGL33, V_OpenGL40, E_GL_ARB_draw_buffers_blend,
E_GL_ARB_compute_shader, E_GL_ARB_shader_storage_buffer_object, E_GL_ARB_shader_image_load_store,
E_GL_ARB_program_interface_query, E_GL_ARB_framebuffer_object, E_GL_EXT_framebuffer_object,
E_GL_ARB_clear_buffer_object, E_GL_ARB_program_interface_query, E_GL_ARB_framebuffer_object, E_GL_EXT_framebuffer_object,
E_GL_ARB_depth_texture, E_GL_ARB_buffer_storage, E_GL_ARB_texture_storage,
E_GL_ARB_texture_storage_multisample, E_GL_ARB_clear_texture, E_GL_ARB_direct_state_access,
E_GL_ARB_multi_draw_indirect, E_GL_ARB_indirect_parameters, E_GL_ARB_shader_draw_parameters,
MobileGL/MG_Backend/DirectGLES/Managers.cpp
+6 -1
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@@ -729,8 +729,13 @@ namespace MobileGL::MG_Backend::DirectGLES {
void Ops_ReadbackFromGpu(BufferObject& bufferObject) {
auto* resource = ResourceOf(bufferObject);
if (!resource || resource->id == 0 || !resource->storageInitialized) return;
if (resource->persistentMapped) return; // shadow already IS the GPU storage
if (!CanTouchGLNow() || resource->contextGeneration != g_bufferContextGeneration) return;
if (resource->persistentMapped) {
// Host writes to a persistent map must not race shader writes already queued
// on this context. There is no backend copy to read back in this case.
if (g_GLESFuncs.glFinish) g_GLESFuncs.glFinish();
return;
}
if (!g_GLESFuncs.glMapBufferRange || !g_GLESFuncs.glUnmapBuffer) return;
const SizeT size = std::min<SizeT>(bufferObject.GetSize(), resource->storageSize);
if (size == 0) return;
MobileGL/MG_Backend/DirectVulkan/BackendObject_DirectVulkan.cpp
+1 -1
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@@ -511,7 +511,7 @@ namespace MobileGL::MG_Backend::DirectVulkan {
Vector<GLExtension> extensions = {
V_OpenGL30, V_OpenGL31, V_OpenGL32, V_OpenGL33, V_OpenGL40, E_GL_ARB_draw_buffers_blend,
E_GL_ARB_compute_shader, E_GL_ARB_shader_storage_buffer_object, E_GL_ARB_shader_image_load_store,
E_GL_ARB_program_interface_query, E_GL_ARB_framebuffer_object, E_GL_ARB_draw_indirect,
E_GL_ARB_clear_buffer_object, E_GL_ARB_program_interface_query, E_GL_ARB_framebuffer_object, E_GL_ARB_draw_indirect,
E_GL_ARB_multi_draw_indirect,
E_GL_ARB_indirect_parameters, E_GL_EXT_framebuffer_object, E_GL_ARB_depth_texture, E_GL_ARB_buffer_storage,
E_GL_ARB_texture_storage, E_GL_ARB_texture_storage_multisample, E_GL_ARB_texture_multisample,