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68 lines
1.5 KiB
C
68 lines
1.5 KiB
C
//
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// CRTFrame.h
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// Clock Signal
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//
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// Created by Thomas Harte on 24/07/2015.
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// Copyright © 2015 Thomas Harte. All rights reserved.
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//
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#ifndef CRTFrame_h
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#define CRTFrame_h
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct {
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uint8_t *data;
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unsigned int depth;
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} CRTBuffer;
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typedef struct {
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uint16_t width, height;
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} CRTSize;
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typedef enum {
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CRTGeometryModeTriangles
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} CRTGeometryMode;
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typedef struct {
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/** The total size, in pixels, of the pixel buffer storage. Guaranteed to be a power of two. */
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CRTSize size;
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/** The portion of the pixel buffer that has been changed since the last time this set of buffers was provided. */
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CRTSize dirty_size;
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/** The number of individual buffers that adds up to the complete pixel buffer. */
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unsigned int number_of_buffers;
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/** A C array of those buffers. */
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CRTBuffer *buffers;
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/** The number of vertices that constitute the output. */
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unsigned int number_of_vertices;
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/** The type of output. */
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CRTGeometryMode geometry_mode;
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/** The size of each vertex in bytes. */
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size_t size_per_vertex;
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/** The vertex data. */
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uint8_t *vertices;
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} CRTFrame;
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// TODO: these should be private to whomever builds the shaders
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static const size_t kCRTVertexOffsetOfPosition = 0;
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static const size_t kCRTVertexOffsetOfTexCoord = 4;
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static const size_t kCRTVertexOffsetOfLateral = 8;
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static const size_t kCRTVertexOffsetOfPhase = 9;
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static const int kCRTSizeOfVertex = 10;
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#ifdef __cplusplus
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}
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#endif
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#endif /* CRTFrame_h */
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