105 lines
3.6 KiB
C

/******************************************************************************
* Spine Runtimes Software License v2.5
*
* Copyright (c) 2013-2016, Esoteric Software
* All rights reserved.
*
* You are granted a perpetual, non-exclusive, non-sublicensable, and
* non-transferable license to use, install, execute, and perform the Spine
* Runtimes software and derivative works solely for personal or internal
* use. Without the written permission of Esoteric Software (see Section 2 of
* the Spine Software License Agreement), you may not (a) modify, translate,
* adapt, or develop new applications using the Spine Runtimes or otherwise
* create derivative works or improvements of the Spine Runtimes or (b) remove,
* delete, alter, or obscure any trademarks or any copyright, trademark, patent,
* or other intellectual property or proprietary rights notices on or in the
* Software, including any copy thereof. Redistributions in binary or source
* form must include this license and terms.
*
* THIS SOFTWARE IS PROVIDED BY ESOTERIC SOFTWARE "AS IS" AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
* EVENT SHALL ESOTERIC SOFTWARE BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, BUSINESS INTERRUPTION, OR LOSS OF
* USE, DATA, OR PROFITS) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
* IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*****************************************************************************/
#ifndef GLUtils_h
#define GLUtils_h
#include <stdint.h>
typedef struct spVertex {
float x, y, z, w;
uint32_t color;
uint32_t color2;
float u, v;
} spVertex;
typedef struct spMesh {
spVertex* vertices;
uint32_t numVertices;
uint32_t numAllocatedVertices;
unsigned short* indices;
uint32_t numIndices;
uint32_t numAllocatedIndices;
} spMesh;
typedef struct spMeshPart {
spMesh* mesh;
uint32_t startVertex;
uint32_t numVertices;
uint32_t startIndex;
uint32_t numIndices;
uint32_t textureHandle;
uint32_t srcBlend;
uint32_t dstBlend;
} spMeshPart;
spMesh* spMesh_create(uint32_t numVertices, uint32_t numIndices);
void spMesh_allocatePart(spMesh* mesh, spMeshPart* part, uint32_t numVertices, uint32_t numIndices, uint32_t textureHandle, uint32_t srcBlend, uint32_t dstBlend);
void spMesh_clearParts(spMesh* mesh);
void spMesh_dispose(spMesh* mesh);
typedef struct spShader {
uint32_t program;
uint32_t vertexShader;
uint32_t fragmentShader;
} spShader;
spShader* spShader_create(const char* vertexShaderSource, const char* fragmentShaderSource);
void spShader_dispose(spShader* shader);
typedef struct spTwoColorBatcher {
spShader* shader;
uint32_t vertexBufferHandle;
spVertex* verticesBuffer;
uint32_t numVertices;
uint32_t indexBufferHandle;
unsigned short* indicesBuffer;
uint32_t numIndices;
int32_t positionAttributeLocation;
int32_t colorAttributeLocation;
int32_t color2AttributeLocation;
int32_t texCoordsAttributeLocation;
int32_t textureUniformLocation;
uint32_t lastTextureHandle;
uint32_t lastSrcBlend;
uint32_t lastDstBlend;
} spTwoColorBatcher;
spTwoColorBatcher* spTwoColorBatcher_create();
void spTwoColorBatcher_add(spTwoColorBatcher* batcher, spMeshPart meshPart);
void spTwoColorBatcher_flush(spTwoColorBatcher* batcher);
void spDisposeTwoColorBatcher(spTwoColorBatcher* batcher);
#endif /* GLUtils_h */