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Differential D7320 Diff 23409 source/blender/gpu/intern/gpu_uniformbuffer.c

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source/blender/gpu/intern/gpu_uniformbuffer.c

Show First 20 Lines • Show All 141 Lines • ▼ Show 20 Lines if (ubo->buffer.size > GPU_max_ubo_size()) {
} }
GPU_uniformbuffer_free(&ubo->buffer); GPU_uniformbuffer_free(&ubo->buffer);
return NULL; return NULL;
} }
/* Make sure we comply to the ubo alignment requirements. */ /* Make sure we comply to the ubo alignment requirements. */
gpu_uniformbuffer_inputs_sort(inputs); gpu_uniformbuffer_inputs_sort(inputs);
for (LinkData *link = inputs->first; link; link = link->next) { LISTBASE_FOREACH (LinkData *, link, inputs) {
const eGPUType gputype = get_padded_gpu_type(link); const eGPUType gputype = get_padded_gpu_type(link);
ubo->buffer.size += gputype * sizeof(float); ubo->buffer.size += gputype * sizeof(float);
} }
/* Round up to size of vec4 */ /* Round up to size of vec4 */
ubo->buffer.size = ((ubo->buffer.size + 15) / 16) * 16; ubo->buffer.size = ((ubo->buffer.size + 15) / 16) * 16;
/* Allocate the data. */ /* Allocate the data. */
ubo->data = MEM_mallocN(ubo->buffer.size, __func__); ubo->data = MEM_mallocN(ubo->buffer.size, __func__);
/* Now that we know the total ubo size we can start populating it. */ /* Now that we know the total ubo size we can start populating it. */
float *offset = ubo->data; float *offset = ubo->data;
for (LinkData *link = inputs->first; link; link = link->next) { LISTBASE_FOREACH (LinkData *, link, inputs) {
GPUInput *input = link->data; GPUInput *input = link->data;
memcpy(offset, input->vec, input->type * sizeof(float)); memcpy(offset, input->vec, input->type * sizeof(float));
offset += get_padded_gpu_type(link); offset += get_padded_gpu_type(link);
} }
/* Note since we may create the UBOs in the CPU in a different thread than the main drawing one, /* Note since we may create the UBOs in the CPU in a different thread than the main drawing one,
* we don't create the UBO in the GPU here. This will happen when we first bind the UBO. * we don't create the UBO in the GPU here. This will happen when we first bind the UBO.
*/ */
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{ {
/* Order them as mat4, vec4, vec3, vec2, float. */ /* Order them as mat4, vec4, vec3, vec2, float. */
BLI_listbase_sort(inputs, inputs_cmp); BLI_listbase_sort(inputs, inputs_cmp);
/* Creates a lookup table for the different types; */ /* Creates a lookup table for the different types; */
LinkData *inputs_lookup[MAX_UBO_GPU_TYPE + 1] = {NULL}; LinkData *inputs_lookup[MAX_UBO_GPU_TYPE + 1] = {NULL};
eGPUType cur_type = MAX_UBO_GPU_TYPE + 1; eGPUType cur_type = MAX_UBO_GPU_TYPE + 1;
for (LinkData *link = inputs->first; link; link = link->next) { LISTBASE_FOREACH (LinkData *, link, inputs) {
GPUInput *input = link->data; GPUInput *input = link->data;
if (input->type == GPU_MAT3) { if (input->type == GPU_MAT3) {
/* Alignment for mat3 is not handled currently, so not supported */ /* Alignment for mat3 is not handled currently, so not supported */
BLI_assert(!"mat3 not supported in UBO"); BLI_assert(!"mat3 not supported in UBO");
continue; continue;
} }
else if (input->type > MAX_UBO_GPU_TYPE) { else if (input->type > MAX_UBO_GPU_TYPE) {
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