this repo has no description
Moved matrix functions into SDL_gpu.h.
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SDL_gpu/CMakeLists.txt
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SDL_gpu/CMakeLists.txt
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SDL_gpu.c
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SDL_gpuShapes.c
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SDL_gpu_Renderer.c
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GL_common/SDL_gpu_GL_matrix.c
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SDL_gpu_matrix.c
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OpenGL_1_BASE/SDL_gpu_OpenGL_1_BASE.c
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OpenGL_1/SDL_gpu_OpenGL_1.c
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OpenGL_2/SDL_gpu_OpenGL_2.c
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${SDL_gpu_HDRS}
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SDL_gpu.h
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SDL_gpu_RendererImpl.h
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GL_common/SDL_gpu_GL_matrix.h
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GL_common/SDL_gpu_GL_common.inl
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GL_common/SDL_gpuShapes_GL_common.inl
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OpenGL_1_BASE/SDL_gpu_OpenGL_1_BASE.h
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set(SDL_gpu_install_HDRS
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SDL_gpu.h
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GL_common/SDL_gpu_GL_matrix.h
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OpenGL_1_BASE/SDL_gpu_OpenGL_1_BASE.h
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OpenGL_1/SDL_gpu_OpenGL_1.h
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OpenGL_2/SDL_gpu_OpenGL_2.h
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SDL_gpu/GL_common/SDL_gpu_GL_common.inl
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SDL_gpu/GL_common/SDL_gpu_GL_common.inl
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SDL_gpu/GL_common/SDL_gpu_GL_matrix.c
SDL_gpu/SDL_gpu_matrix.c
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SDL_gpu/GL_common/SDL_gpu_GL_matrix.c
SDL_gpu/SDL_gpu_matrix.c
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SDL_gpu/GL_common/SDL_gpu_GL_matrix.h
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SDL_gpu/GL_common/SDL_gpu_GL_matrix.h
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#ifndef _SDL_GPU_GL_MATRIX_H__
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#define _SDL_GPU_GL_MATRIX_H__
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#ifdef __cplusplus
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extern "C" {
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#endif
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// Basic matrix operations
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void GPU_MatrixCopy(float* result, const float* A);
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void GPU_MatrixIdentity(float* result);
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void GPU_Multiply4x4(float* result, float* A, float* B);
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void GPU_MultiplyAndAssign(float* result, float* A);
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// State-specific operations
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#define GPU_MODELVIEW 0
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#define GPU_PROJECTION 1
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const char* GPU_GetMatrixString(float* A);
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void GPU_MatrixMode(int matrix_mode);
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float* GPU_GetCurrentMatrix(void);
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float* GPU_GetModelView(void);
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float* GPU_GetProjection(void);
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void GPU_GetModelViewProjection(float* result);
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void GPU_PushMatrix(void);
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void GPU_PopMatrix(void);
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void GPU_LoadIdentity(void);
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void GPU_Ortho(float left, float right, float bottom, float top, float near, float far);
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void GPU_Frustum(float right, float left, float bottom, float top, float near, float far);
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void GPU_Translate(float x, float y, float z);
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void GPU_Scale(float sx, float sy, float sz);
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void GPU_Rotate(float degrees, float x, float y, float z);
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void GPU_MultMatrix(float* matrix4x4);
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#ifdef __cplusplus
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}
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#endif
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#endif
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SDL_gpu/SDL_gpu.h
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SDL_gpu/SDL_gpu.h
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* \defgroup SurfaceControls Surface Controls
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* \defgroup ImageControls Image Controls
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* \defgroup Conversions Surface, Image, and Target Conversions
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* \defgroup Matrix Matrix Controls
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* \defgroup Rendering Rendering
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* \defgroup Shapes Shapes
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* \defgroup ShaderInterface Shader Interface
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#define GPU_MODELVIEW 0
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#define GPU_PROJECTION 1
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#ifndef GPU_MATRIX_STACK_MAX
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#define GPU_MATRIX_STACK_MAX 5
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#endif
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/*! \ingroup Rendering
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* Matrix stack data structure for replacing the old OpenGL matrix stack. */
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/*! \ingroup Matrix
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* Matrix stack data structure for global vertex transforms. */
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typedef struct GPU_MatrixStack
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{
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unsigned int size;
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// End of Conversions
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/*! @} */
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/*! \ingroup Matrix
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* @{ */
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// Basic matrix operations (4x4)
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/*! Copy matrix A to the given 'result' matrix. */
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void GPU_MatrixCopy(float* result, const float* A);
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/*! Fills 'result' matrix with the identity matrix. */
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void GPU_MatrixIdentity(float* result);
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/*! Multiplies matrices A and B and stores the result in the given 'result' matrix (result = A*B). Do not use A or B as 'result'.
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* \see GPU_MultiplyAndAssign
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*/
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void GPU_Multiply4x4(float* result, float* A, float* B);
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/*! Multiplies matrices 'result' and A and stores the result in the given 'result' matrix (result = result * A). */
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void GPU_MultiplyAndAssign(float* result, float* A);
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// Matrix stack accessors
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/*! Returns an internal string that represents the contents of matrix A. */
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const char* GPU_GetMatrixString(float* A);
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/*! Returns the current matrix from the top of the matrix stack. Returns NULL if stack is empty. */
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float* GPU_GetCurrentMatrix(void);
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/*! Returns the current modelview matrix from the top of the matrix stack. Returns NULL if stack is empty. */
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float* GPU_GetModelView(void);
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/*! Returns the current projection matrix from the top of the matrix stack. Returns NULL if stack is empty. */
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float* GPU_GetProjection(void);
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/*! Copies the current modelview-projection matrix into the given 'result' matrix (result = P*M). */
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void GPU_GetModelViewProjection(float* result);
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// Matrix stack manipulators
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/*! Changes matrix mode to either GPU_PROJECTION or GPU_MODELVIEW. Further matrix stack operations manipulate that particular stack. */
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void GPU_MatrixMode(int matrix_mode);
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/*! Pushes the current matrix as a new matrix stack item. */
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void GPU_PushMatrix(void);
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/*! Removes the current matrix from the stack. */
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void GPU_PopMatrix(void);
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/*! Fills current matrix with the identity matrix. */
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void GPU_LoadIdentity(void);
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/*! Multiplies an orthographic projection matrix into the current matrix. */
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void GPU_Ortho(float left, float right, float bottom, float top, float near, float far);
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/*! Multiplies a perspective projection matrix into the current matrix. */
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void GPU_Frustum(float right, float left, float bottom, float top, float near, float far);
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/*! Adds a translation into the current matrix. */
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void GPU_Translate(float x, float y, float z);
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/*! Multiplies a scaling matrix into the current matrix. */
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void GPU_Scale(float sx, float sy, float sz);
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/*! Multiplies a rotation matrix into the current matrix. */
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void GPU_Rotate(float degrees, float x, float y, float z);
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/*! Multiplies a given matrix into the current matrix. */
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void GPU_MultMatrix(float* matrix4x4);
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// End of Matrix
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/*! @} */
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/*! \ingroup Rendering