Lucas de Vries
105 lines
1.8 KiB
C++
105 lines
1.8 KiB
C++
#pragma once
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#include "vec3.h"
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#include "vec2.h"
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#include "color.h"
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#include <vector>
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#include <deque>
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namespace scene {
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class Node;
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};
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namespace render {
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struct RenderState;
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extern unsigned vbFloatLimit, vbMaxSteps;
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enum FlushCause {
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FC_Forced,
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FC_VertexLimit,
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FC_StepLimit,
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FC_ShaderLimit,
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FC_COUNT
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};
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extern unsigned vbFlushCounts[FC_COUNT];
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struct RenderStep {
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const RenderState* material;
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float* shaderCache;
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unsigned short indexOffset;
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unsigned short vertStart, vertEnd;
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bool lines;
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};
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struct VertexTCV {
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vec2f uv;
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Color col;
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vec3f pos;
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inline void set(const vec3f& Pos) {
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col = Color();
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uv = vec2f();
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pos = Pos;
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}
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inline void set(const vec2f& UV) {
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col = Color();
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uv = UV;
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pos = vec3f();
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}
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inline void set(Color Col) {
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col = Col;
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uv = vec2f();
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pos = vec3f();
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}
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inline void set(const vec3f& Pos, const vec2f& UV) {
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col = Color();
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uv = UV;
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pos = Pos;
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}
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inline void set(const vec3f& Pos, const vec2f& UV, Color Col) {
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col = Col;
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uv = UV;
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pos = Pos;
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}
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};
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struct VertexCV {
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Color col;
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vec3f pos;
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};
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struct VertexTV {
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vec2f uv;
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vec3f pos;
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};
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class VertexBufferTCV {
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RenderStep* last;
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std::deque<unsigned> vertBuffer, indBuffer;
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std::vector<VertexTCV> vertices;
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std::vector<unsigned short> indices;
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std::vector<RenderStep> steps;
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float* shaderBuffer, *pNextShaderBuffer;
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unsigned shaderBufferSize;
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void flushRetainingLast(FlushCause reason);
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void duplicateLast();
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public:
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static VertexBufferTCV* fetch(const RenderState* mat);
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VertexTCV* request(unsigned polygons, unsigned polyType);
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void draw(FlushCause reason = FC_Forced);
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VertexBufferTCV();
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~VertexBufferTCV();
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};
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//Renders out all pending vertex buffers
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void renderVertexBuffers();
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}; |