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