gl_rasterizer: Add some commentaries

This commit is contained in:
ReinUsesLisp 2019-05-27 19:41:19 -03:00
parent 2b9d4088ec
commit a6d2f52fc3

View File

@ -650,12 +650,17 @@ void RasterizerOpenGL::DrawArrays() {
gpu.dirty_flags.vertex_array.set(); gpu.dirty_flags.vertex_array.set();
} }
// Prepare vertex array format.
const GLuint vertex_array = SetupVertexFormat(); const GLuint vertex_array = SetupVertexFormat();
// Upload vertex and index data.
SetupVertexBuffer(vertex_array); SetupVertexBuffer(vertex_array);
const GLintptr index_buffer_offset = SetupIndexBuffer(); const GLintptr index_buffer_offset = SetupIndexBuffer();
// Setup draw parameters. It will automatically choose what glDraw* method to use.
const DrawParameters params = SetupDraw(index_buffer_offset); const DrawParameters params = SetupDraw(index_buffer_offset);
// Setup shaders and their used resources.
texture_cache.GuardSamplers(true); texture_cache.GuardSamplers(true);
SetupShaders(params.primitive_mode); SetupShaders(params.primitive_mode);
texture_cache.GuardSamplers(false); texture_cache.GuardSamplers(false);