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metal commands

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This commit is contained in:
Greg Wells
2025-05-30 09:39:53 -04:00
parent f5ff90bc93
commit 733738bcda
8 changed files with 127 additions and 1 deletions
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11
rendering_api/metal/src/core/commands/command_buffer/metal_command_buffer.h Normal file
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@@ -0,0 +1,11 @@
#pragma once
#include "core/command/command_buffer/gryphn_command_buffer.h"
#include "core/pipelines/graphics_pipeline/gryphn_graphics_pipeline.h"
#import <Metal/MTLCommandBuffer.h>
#import <Metal/MTLCommandEncoder.h>
typedef struct gnPlatformCommandBuffer_t {
id<MTLCommandBuffer> commandBuffer;
id<MTLCommandEncoder> encoder;
struct gnGraphicsPipeline_t* boundGraphcisPipeline;
} gnPlatformCommandBuffer;

21
rendering_api/metal/src/core/commands/command_buffer/metal_command_buffer.m Normal file
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@@ -0,0 +1,21 @@
#include "metal_command_buffer.h"
#include "core/commands/command_pool/metal_command_pool.h"
#import <Metal/Metal.h>
gnReturnCode gnCommandPoolAllocateCommandBuffersFn(struct gnCommandBuffer_t* commandBuffers, uint32_t count, struct gnCommandPool_t* pool) {
for (int i = 0; i < count; i++) {
commandBuffers[i].commandBuffer = malloc(sizeof(gnPlatformCommandBuffer));
commandBuffers[i].commandBuffer->commandBuffer = [pool->commandPool->commandQueue commandBuffer];
}
return GN_SUCCESS;
}
gnReturnCode gnBeginCommandBuffer(struct gnCommandBuffer_t* commandBuffer) {
commandBuffer->commandBuffer->boundGraphcisPipeline = NULL;
return GN_SUCCESS;
}
gnReturnCode gnEndCommandBuffer(struct gnCommandBuffer_t* commandBuffer) {
return GN_SUCCESS;
}

1
rendering_api/metal/src/core/commands/command_pool/metal_command_pool.m
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@@ -4,6 +4,7 @@
gnReturnCode gnCreateCommandPoolFn(struct gnCommandPool_t* commandPool, struct gnOutputDevice_t* device, struct gnCommandPoolInfo_t info) {
commandPool->commandPool = malloc(sizeof(struct gnPlatformCommandPool_t));
commandPool->commandPool->commandQueue = [device->outputDevice->device newCommandQueue];
return GN_SUCCESS;
}

85
rendering_api/metal/src/core/commands/commands/metal_commands.m Normal file
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@@ -0,0 +1,85 @@
#include "core/command/commands/gryphn_command.h"
#include "core/framebuffers/metal_framebuffer.h"
#include "core/commands/command_buffer/metal_command_buffer.h"
#include "core/pipelines/graphics_pipeline/metal_graphics_pipeline.h"
#import <Metal/MTLRenderCommandEncoder.h>
void gnCommandBeginRenderPassFn(struct gnCommandBuffer_t* buffer, struct gnRenderPassInfo_t passInfo) {
int currentColorAttachment = 0;
for (int i = 0; i < passInfo.clearValueCount; i++) {
gnBool wasDepthStencil = gnFalse;
if (isDepthFormat(passInfo.renderPassDescriptor->info.attachmentInfos[i].format)) {
wasDepthStencil = gnTrue;
}
if (isStencilFormat(passInfo.renderPassDescriptor->info.attachmentInfos[i].format)) {
wasDepthStencil = gnTrue;
}
if(!wasDepthStencil) {
MTLRenderPassColorAttachmentDescriptor* color = passInfo.framebuffer->framebuffer->framebuffer.colorAttachments[i];
color.clearColor = MTLClearColorMake(
passInfo.clearValues[i].red,
passInfo.clearValues[i].green,
passInfo.clearValues[i].blue,
passInfo.clearValues[i].alpha
);
}
}
buffer->commandBuffer->encoder = [buffer->commandBuffer->commandBuffer renderCommandEncoderWithDescriptor:passInfo.framebuffer->framebuffer->framebuffer];
MTLViewport vp = {(double)passInfo.offset.x, (double)passInfo.offset.y, (double)passInfo.size.x, (double)passInfo.size.y, 0.0f, 1.0f};
id<MTLRenderCommandEncoder> encoder = (id<MTLRenderCommandEncoder>)buffer->commandBuffer->encoder;
[encoder setViewport:vp];
}
void gnCommandEndRenderPassFn(struct gnCommandBuffer_t* buffer) {
[buffer->commandBuffer->encoder endEncoding];
}
void gnCommandBindGraphicsPipelineFn(struct gnCommandBuffer_t* buffer, struct gnGraphicsPipeline_t* graphicsPipeline) {
id<MTLRenderCommandEncoder> encoder = (id<MTLRenderCommandEncoder>)buffer->commandBuffer->encoder;
[encoder setRenderPipelineState:graphicsPipeline->graphicsPipeline->graphicsPipeline];
if (graphicsPipeline->info.cullMode.face == GN_CULL_FACE_BACK)
[encoder setCullMode:MTLCullModeBack];
else if (graphicsPipeline->info.cullMode.face == GN_CULL_FACE_FRONT)
[encoder setCullMode:MTLCullModeFront];
else if (graphicsPipeline->info.cullMode.face == GN_CULL_FACE_NONE)
[encoder setCullMode:MTLCullModeNone];
if (graphicsPipeline->info.cullMode.direction == GN_DIRECTION_CLOCK_WISE)
[encoder setFrontFacingWinding:MTLWindingCounterClockwise];
if (graphicsPipeline->info.cullMode.direction == GN_DIRECTION_COUNTER_CLOCK_WISE)
[encoder setFrontFacingWinding:MTLWindingClockwise];
if (graphicsPipeline->info.fillMode == GN_FILL_MODE_POINT)
[encoder setTriangleFillMode:MTLTriangleFillModeFill];
if (graphicsPipeline->info.fillMode == GN_FILL_MODE_LINE)
[encoder setTriangleFillMode:MTLTriangleFillModeLines];
if (graphicsPipeline->info.fillMode == GN_FILL_MODE_FILL)
[encoder setTriangleFillMode:MTLTriangleFillModeFill];
buffer->commandBuffer->boundGraphcisPipeline = graphicsPipeline;
}
void gnCommandSetViewportFn(struct gnCommandBuffer_t* buffer, struct gnViewport_t viewport) {
MTLViewport vp = {(double)viewport.position.x, (double)viewport.position.y, (double)viewport.size.x, (double)viewport.size.y, viewport.minDepth, viewport.maxDepth};
id<MTLRenderCommandEncoder> encoder = (id<MTLRenderCommandEncoder>)buffer->commandBuffer->encoder;
[encoder setViewport:vp];
}
void gnCommandSetScissorFn(struct gnCommandBuffer_t* buffer, struct gnScissor_t scissor) {
MTLScissorRect scissorRect = { scissor.position.x, scissor.position.y, scissor.size.x, scissor.size.y };
id<MTLRenderCommandEncoder> encoder = (id<MTLRenderCommandEncoder>)buffer->commandBuffer->encoder;
[encoder setScissorRect:scissorRect];
}
void gnCommandDrawFn(struct gnCommandBuffer_t* buffer, int vertexCount, int firstVertex, int instanceCount, int firstInstance) {
if (buffer->commandBuffer->boundGraphcisPipeline != NULL) {
id<MTLRenderCommandEncoder> encoder = (id<MTLRenderCommandEncoder>)buffer->commandBuffer->encoder;
if (buffer->commandBuffer->boundGraphcisPipeline->info.primitiveType == GN_PRIMITIVE_POINTS)
[encoder drawPrimitives:MTLPrimitiveTypePoint vertexStart:firstVertex vertexCount:vertexCount instanceCount:instanceCount baseInstance:firstInstance];
else if (buffer->commandBuffer->boundGraphcisPipeline->info.primitiveType == GN_PRIMITIVE_LINES)
[encoder drawPrimitives:MTLPrimitiveTypeLine vertexStart:firstVertex vertexCount:vertexCount instanceCount:instanceCount baseInstance:firstInstance];
else if (buffer->commandBuffer->boundGraphcisPipeline->info.primitiveType == GN_PRIMITIVE_LINE_STRIP)
[encoder drawPrimitives:MTLPrimitiveTypeLineStrip vertexStart:firstVertex vertexCount:vertexCount instanceCount:instanceCount baseInstance:firstInstance];
else if (buffer->commandBuffer->boundGraphcisPipeline->info.primitiveType == GN_PRIMITIVE_TRIANGLES)
[encoder drawPrimitives:MTLPrimitiveTypeTriangle vertexStart:firstVertex vertexCount:vertexCount instanceCount:instanceCount baseInstance:firstInstance];
else if (buffer->commandBuffer->boundGraphcisPipeline->info.primitiveType == GN_PRIMITIVE_TRIANGLE_STRIP)
[encoder drawPrimitives:MTLPrimitiveTypeTriangleStrip vertexStart:firstVertex vertexCount:vertexCount instanceCount:instanceCount baseInstance:firstInstance];
}
}

3
rendering_api/metal/src/core/framebuffers/metal_framebuffer.h
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@@ -6,3 +6,6 @@
typedef struct gnPlatformFramebuffer_t {
MTLRenderPassDescriptor* framebuffer;
} gnPlatformFramebuffer;
gnBool isDepthFormat(gnImageFormat format);
gnBool isStencilFormat(gnImageFormat format);

5
rendering_api/metal/src/core/framebuffers/metal_framebuffer.m
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@@ -38,6 +38,7 @@ gnReturnCode gnCreateFramebufferFn(struct gnFramebuffer_t* framebuffer, struct g
[framebuffer->framebuffer->framebuffer setRenderTargetWidth:info.size.x];
[framebuffer->framebuffer->framebuffer setRenderTargetHeight:info.size.y];
int colorAttachment = 0;
for (int i = 0; i < info.renderPassDescriptor->info.attachmentCount; i++) {
gnBool wasDepthStencil = gnFalse;
if (isDepthFormat(info.renderPassDescriptor->info.attachmentInfos[i].format)) {
@@ -54,7 +55,7 @@ gnReturnCode gnCreateFramebufferFn(struct gnFramebuffer_t* framebuffer, struct g
}
if(!wasDepthStencil) {
MTLRenderPassColorAttachmentDescriptor* color = framebuffer->framebuffer->framebuffer.colorAttachments[i];
MTLRenderPassColorAttachmentDescriptor* color = framebuffer->framebuffer->framebuffer.colorAttachments[colorAttachment];
color.texture = info.attachments[i].texture->texture;
color.loadAction = mtlGryphnLoadOperation(info.renderPassDescriptor->info.attachmentInfos[i].loadOperation);
@@ -62,6 +63,8 @@ gnReturnCode gnCreateFramebufferFn(struct gnFramebuffer_t* framebuffer, struct g
if (color.loadAction == MTLLoadActionClear)
color.clearColor = MTLClearColorMake(0.0, 0.0, 0.0, 1.0);
colorAttachment++;
}
}