Differential D16101 Diff 56896 source/blender/gpu/metal/mtl_context.mm

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source/blender/gpu/metal/mtl_context.mm

Show First 20 Lines • Show All 989 Lines • ▼ Show 20 Lines	bool MTLContext::ensure_uniform_buffer_bindings(
/* Iterate through expected UBOs in the shader interface, and check if the globally bound ones		/* Iterate through expected UBOs in the shader interface, and check if the globally bound ones
* match. This is used to support the gpu_uniformbuffer module, where the uniform data is global,		* match. This is used to support the gpu_uniformbuffer module, where the uniform data is global,
* and not owned by the shader instance. */		* and not owned by the shader instance. */
for (const uint ubo_index : IndexRange(shader_interface->get_total_uniform_blocks())) {		for (const uint ubo_index : IndexRange(shader_interface->get_total_uniform_blocks())) {
const MTLShaderUniformBlock &ubo = shader_interface->get_uniform_block(ubo_index);		const MTLShaderUniformBlock &ubo = shader_interface->get_uniform_block(ubo_index);

if (ubo.buffer_index >= 0) {		if (ubo.buffer_index >= 0) {

const uint32_t buffer_index = ubo.buffer_index;		/* Uniform Buffer index offset by 1 as the first shader buffer binding slot is reserved for
		* the uniform PushConstantBlock. */
		const uint32_t buffer_index = ubo.buffer_index + 1;
int ubo_offset = 0;		int ubo_offset = 0;
id<MTLBuffer> ubo_buffer = nil;		id<MTLBuffer> ubo_buffer = nil;
int ubo_size = 0;		int ubo_size = 0;

bool bind_dummy_buffer = false;		bool bind_dummy_buffer = false;
if (this->pipeline_state.ubo_bindings[buffer_index].bound) {		if (this->pipeline_state.ubo_bindings[ubo_index].bound) {

/* Fetch UBO global-binding properties from slot. */		/* Fetch UBO global-binding properties from slot. */
ubo_offset = 0;		ubo_offset = 0;
ubo_buffer = this->pipeline_state.ubo_bindings[buffer_index].ubo->get_metal_buffer(		ubo_buffer = this->pipeline_state.ubo_bindings[ubo_index].ubo->get_metal_buffer(
&ubo_offset);		&ubo_offset);
ubo_size = this->pipeline_state.ubo_bindings[buffer_index].ubo->get_size();		ubo_size = this->pipeline_state.ubo_bindings[ubo_index].ubo->get_size();

/* Use dummy zero buffer if no buffer assigned -- this is an optimization to avoid		/* Use dummy zero buffer if no buffer assigned -- this is an optimization to avoid
* allocating zero buffers. */		* allocating zero buffers. */
if (ubo_buffer == nil) {		if (ubo_buffer == nil) {
bind_dummy_buffer = true;		bind_dummy_buffer = true;
}		}
else {		else {
BLI_assert(ubo_buffer != nil);		BLI_assert(ubo_buffer != nil);
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