SDL_gpu_GL_matrix.c File Reference

#include "SDL_gpu.h"
#include "SDL_gpu_GL_matrix.h"
#include <math.h>
#include <string.h>

Include dependency graph for SDL_gpu_GL_matrix.c:

Go to the source code of this file.

Macros
#define	M_PI   3.1415926f
#define	static_inline   static inline
#define	INDEX(row, col)   ((col)*4 + (row))

Functions
void	GPU_MatrixCopy (float *result, const float *A)
void	GPU_MatrixIdentity (float *result)
void	GPU_Multiply4x4 (float *result, float *A, float *B)
void	GPU_MultiplyAndAssign (float *result, float *A)
const char *	GPU_GetMatrixString (float *A)
void	GPU_MatrixMode (int matrix_mode)
float *	GPU_GetModelView (void)
float *	GPU_GetProjection (void)
float *	GPU_GetCurrentMatrix (void)
void	GPU_PushMatrix ()
void	GPU_PopMatrix ()
void	GPU_LoadIdentity (void)
void	GPU_Ortho (float left, float right, float bottom, float top, float near, float far)
void	GPU_Frustum (float right, float left, float bottom, float top, float near, float far)
void	GPU_Translate (float x, float y, float z)
void	GPU_Scale (float sx, float sy, float sz)
void	GPU_Rotate (float degrees, float x, float y, float z)
void	GPU_MultMatrix (float *A)
void	GPU_GetModelViewProjection (float *result)

Macro Definition Documentation

#define INDEX	(		row,
			col
	)		((col)*4 + (row))

Definition at line 61 of file SDL_gpu_GL_matrix.c.

Referenced by GPU_Multiply4x4().

#define M_PI   3.1415926f

Definition at line 11 of file SDL_gpu_GL_matrix.c.

Referenced by GPU_Rotate().

#define static_inline   static inline

Definition at line 24 of file SDL_gpu_GL_matrix.c.

Function Documentation

void GPU_Frustum	(	float	right,
		float	left,
		float	bottom,
		float	top,
		float	near,
		float	far
	)

Definition at line 242 of file SDL_gpu_GL_matrix.c.

References GPU_GetCurrentMatrix(), and GPU_MultiplyAndAssign().

float* GPU_GetCurrentMatrix

(

void

)

Definition at line 159 of file SDL_gpu_GL_matrix.c.

References GPU_Target::context, GPU_GetContextTarget(), GPU_MODELVIEW, GPU_MatrixStack::matrix, GPU_Context::matrix_mode, GPU_Context::modelview_matrix, GPU_Context::projection_matrix, and GPU_MatrixStack::size.

Referenced by GPU_Frustum(), GPU_LoadIdentity(), GPU_MultMatrix(), GPU_Ortho(), GPU_Rotate(), GPU_Scale(), and GPU_Translate().

const char* GPU_GetMatrixString

(

float *

A

)

Definition at line 104 of file SDL_gpu_GL_matrix.c.

float* GPU_GetModelView

(

void

)

Definition at line 133 of file SDL_gpu_GL_matrix.c.

References GPU_Target::context, GPU_GetContextTarget(), GPU_MatrixStack::matrix, GPU_Context::modelview_matrix, and GPU_MatrixStack::size.

Referenced by GPU_GetModelViewProjection().

void GPU_GetModelViewProjection

(

float *

result

)

Definition at line 353 of file SDL_gpu_GL_matrix.c.

References GPU_GetModelView(), GPU_GetProjection(), and GPU_Multiply4x4().

Referenced by BlitBatch(), DoPartialFlush(), DoUntexturedFlush(), and TriangleBatch().

float* GPU_GetProjection

(

void

)

Definition at line 146 of file SDL_gpu_GL_matrix.c.

References GPU_Target::context, GPU_GetContextTarget(), GPU_MatrixStack::matrix, GPU_Context::projection_matrix, and GPU_MatrixStack::size.

Referenced by GPU_GetModelViewProjection().

void GPU_LoadIdentity

(

void

)

Definition at line 211 of file SDL_gpu_GL_matrix.c.

References GPU_GetCurrentMatrix(), and GPU_MatrixIdentity().

Referenced by applyTargetCamera().

void GPU_MatrixCopy	(	float *	result,
		const float *	A
	)

Definition at line 63 of file SDL_gpu_GL_matrix.c.

Referenced by GPU_MultiplyAndAssign(), and GPU_PushMatrix().

void GPU_MatrixIdentity

(

float *

result

)

Definition at line 68 of file SDL_gpu_GL_matrix.c.

Referenced by CreateTargetFromWindow(), and GPU_LoadIdentity().

void GPU_MatrixMode

(

int

matrix_mode

)

Definition at line 124 of file SDL_gpu_GL_matrix.c.

References GPU_Target::context, GPU_GetContextTarget(), and GPU_Context::matrix_mode.

Referenced by applyTargetCamera().

void GPU_Multiply4x4	(	float *	result,
		float *	A,
		float *	B
	)

Definition at line 75 of file SDL_gpu_GL_matrix.c.

References c, i, and INDEX.

Referenced by GPU_GetModelViewProjection(), and GPU_MultiplyAndAssign().

void GPU_MultiplyAndAssign	(	float *	result,
		float *	A
	)

Definition at line 92 of file SDL_gpu_GL_matrix.c.

References GPU_MatrixCopy(), and GPU_Multiply4x4().

Referenced by GPU_Frustum(), GPU_MultMatrix(), GPU_Ortho(), GPU_Rotate(), GPU_Scale(), and GPU_Translate().

void GPU_MultMatrix

(

float *

A

)

Definition at line 345 of file SDL_gpu_GL_matrix.c.

References GPU_GetCurrentMatrix(), and GPU_MultiplyAndAssign().

Referenced by BlitTransformMatrix().

void GPU_Ortho	(	float	left,
		float	right,
		float	bottom,
		float	top,
		float	near,
		float	far
	)

Definition at line 219 of file SDL_gpu_GL_matrix.c.

References GPU_GetCurrentMatrix(), and GPU_MultiplyAndAssign().

Referenced by applyTargetCamera().

void GPU_PopMatrix

(

void

)

Definition at line 194 of file SDL_gpu_GL_matrix.c.

References GPU_Target::context, GPU_ERROR_USER_ERROR, GPU_GetContextTarget(), GPU_MODELVIEW, GPU_PushErrorCode(), GPU_Context::matrix_mode, GPU_Context::modelview_matrix, GPU_Context::projection_matrix, and GPU_MatrixStack::size.

Referenced by BlitTransformMatrix().

void GPU_PushMatrix

(

void

)

Definition at line 176 of file SDL_gpu_GL_matrix.c.

References GPU_Target::context, GPU_ERROR_USER_ERROR, GPU_GetContextTarget(), GPU_MATRIX_STACK_MAX, GPU_MatrixCopy(), GPU_MODELVIEW, GPU_PushErrorCode(), GPU_MatrixStack::matrix, GPU_Context::matrix_mode, GPU_Context::modelview_matrix, GPU_Context::projection_matrix, and GPU_MatrixStack::size.

Referenced by BlitTransformMatrix().

void GPU_Rotate	(	float	degrees,
		float	x,
		float	y,
		float	z
	)

Definition at line 304 of file SDL_gpu_GL_matrix.c.

References c, GPU_GetCurrentMatrix(), GPU_MultiplyAndAssign(), and M_PI.

Referenced by applyTargetCamera().

void GPU_Scale	(	float	sx,
		float	sy,
		float	sz
	)

Definition at line 288 of file SDL_gpu_GL_matrix.c.

References GPU_GetCurrentMatrix(), and GPU_MultiplyAndAssign().

Referenced by applyTargetCamera().

void GPU_Translate	(	float	x,
		float	y,
		float	z
	)

Definition at line 265 of file SDL_gpu_GL_matrix.c.

References GPU_GetCurrentMatrix(), and GPU_MultiplyAndAssign().

Referenced by applyTargetCamera(), and BlitTransformMatrix().