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indexed drawing and index buffers

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This commit is contained in:
Greg Wells
2025-06-06 17:35:37 -04:00
parent 5dec8b9005
commit e66075beaf
10 changed files with 32 additions and 4 deletions
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1
rendering_api/metal/src/core/commands/command_buffer/metal_command_buffer.h
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@@ -8,4 +8,5 @@ typedef struct gnPlatformCommandBuffer_t {
id<MTLCommandBuffer> commandBuffer;
id<MTLCommandEncoder> encoder;
struct gnGraphicsPipeline_t* boundGraphcisPipeline;
gnBufferHandle indexBuffer;
} gnPlatformCommandBuffer;

7
rendering_api/metal/src/core/commands/commands/metal_commands.m
View File

@@ -70,10 +70,11 @@ void gnCommandSetScissorFn(struct gnCommandBuffer_t* buffer, struct gnScissor_t
[encoder setScissorRect:scissorRect];
}
void gnCommandBindBufferFn(gnCommandBufferHandle buffer, gnBufferHandle bufferToBind, gnBufferType type) {
if (type == GN_VERTEX_BUFFER) {
id<MTLRenderCommandEncoder> encoder = (id<MTLRenderCommandEncoder>)buffer->commandBuffer->encoder;
id<MTLRenderCommandEncoder> encoder = (id<MTLRenderCommandEncoder>)buffer->commandBuffer->encoder;
if (type == GN_VERTEX_BUFFER)
[encoder setVertexBuffer:bufferToBind->buffer->buffer offset:0 atIndex:0];
}
else if (type == GN_INDEX_BUFFER)
buffer->commandBuffer->indexBuffer = bufferToBind;
}
void gnCommandDrawFn(struct gnCommandBuffer_t* buffer, int vertexCount, int firstVertex, int instanceCount, int firstInstance) {
if (buffer->commandBuffer->boundGraphcisPipeline != NULL) {