AstralTech/Gryphn
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finish the most basic rendering pipeline

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This commit is contained in:
Gregory Wells
2025-08-19 16:31:19 -04:00
parent 50d8a669b3
commit 7f6ec430de
9 changed files with 113 additions and 23 deletions
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37
projects/apis/opengl/src/graphics_pipeline/opengl_graphics_pipeline.c
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@@ -1,5 +1,8 @@
#include "opengl_graphics_pipeline.h"
#include "shaders/opengl_shader_module.h"
#include "core/src/instance/gryphn_instance.h"
#include "stdio.h"
gnReturnCode openglCreateGraphicsPipeline(gnGraphicsPipeline graphicsPipeline, gnOutputDevice device, gnGraphicsPipelineInfo info) {
graphicsPipeline->graphicsPipeline = malloc(sizeof(gnPlatformGraphicsPipeline));
@@ -7,6 +10,40 @@ gnReturnCode openglCreateGraphicsPipeline(gnGraphicsPipeline graphicsPipeline, g
for (int i = 0; i < info.shaderModuleCount; i++)
glAttachShader(graphicsPipeline->graphicsPipeline->program, info.shaderModules[i]->shaderModule->id);
glLinkProgram(graphicsPipeline->graphicsPipeline->program);
GLint linked;
glGetProgramiv(graphicsPipeline->graphicsPipeline->program, GL_LINK_STATUS, &linked);
if (!linked) {
GLchar infoLog[512];
glGetProgramInfoLog(graphicsPipeline->graphicsPipeline->program, 512, NULL, infoLog);
gnDebuggerSetErrorMessage(device->instance->debugger, (gnMessageData){
.message = gnCreateString(infoLog)
});
} else {
gnDebuggerSetVerboseMessage(&device->instance->debugger, (gnMessageData){
.message = gnCreateString("Successfully linked program")
});
}
glCreateVertexArrays(1, &graphicsPipeline->graphicsPipeline->vertexArrayObject);
glVertexArrayAttribFormat(graphicsPipeline->graphicsPipeline->vertexArrayObject, 0, 3, GL_FLOAT, GL_FALSE, 0);
glVertexArrayAttribBinding(graphicsPipeline->graphicsPipeline->vertexArrayObject, 0, 0);
// Attribute 1: texcoord (2 floats)
glVertexArrayAttribFormat(graphicsPipeline->graphicsPipeline->vertexArrayObject, 1, 2, GL_FLOAT, GL_FALSE, sizeof(float)*3);
glVertexArrayAttribBinding(graphicsPipeline->graphicsPipeline->vertexArrayObject, 1, 0);
// Attribute 2: color (3 floats)
glVertexArrayAttribFormat(graphicsPipeline->graphicsPipeline->vertexArrayObject, 2, 3, GL_FLOAT, GL_FALSE, sizeof(float)*5);
glVertexArrayAttribBinding(graphicsPipeline->graphicsPipeline->vertexArrayObject, 2, 0);
graphicsPipeline->graphicsPipeline->stride = (sizeof(float) * 8);
// Enable them
glEnableVertexArrayAttrib(graphicsPipeline->graphicsPipeline->vertexArrayObject, 0);
glEnableVertexArrayAttrib(graphicsPipeline->graphicsPipeline->vertexArrayObject, 1);
glEnableVertexArrayAttrib(graphicsPipeline->graphicsPipeline->vertexArrayObject, 2);
return GN_SUCCESS;
}
void openglDestroyGraphicsPipeline(gnGraphicsPipeline graphicsPipeline) {