168 lines
4.5 KiB
C
168 lines
4.5 KiB
C
#ifndef PRIVATE_H
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#define PRIVATE_H
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#include "../include/gl.h"
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#include "../containers/aligned_vector.h"
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#include "../containers/named_array.h"
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#include "./clip.h"
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#define TRACE_ENABLED 0
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#define TRACE() if(TRACE_ENABLED) {fprintf(stderr, "%s\n", __func__);}
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#define VERTEX_ENABLED_FLAG (1 << 0)
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#define UV_ENABLED_FLAG (1 << 1)
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#define ST_ENABLED_FLAG (1 << 2)
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#define DIFFUSE_ENABLED_FLAG (1 << 3)
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#define NORMAL_ENABLED_FLAG (1 << 4)
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#define MAX_TEXTURE_SIZE 1024
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#define CLIP_VERTEX_INT_PADDING 6
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typedef struct {
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pvr_poly_hdr_t hdr;
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unsigned int padding[CLIP_VERTEX_INT_PADDING];
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} PVRHeader;
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typedef struct {
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unsigned int flags; /* Constant PVR_CMD_USERCLIP */
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unsigned int d1, d2, d3; /* Ignored for this type */
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unsigned int sx, /* Start x */
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sy, /* Start y */
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ex, /* End x */
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ey; /* End y */
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/* Padding to match clip vertex */
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unsigned int padding[CLIP_VERTEX_INT_PADDING];
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} PVRTileClipCommand; /* Tile Clip command for the pvr */
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typedef struct {
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unsigned int list_type;
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AlignedVector vector;
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} PolyList;
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typedef struct {
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GLushort width;
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GLushort height;
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GLuint color; /* This is the PVR texture format */
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GLubyte env;
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GLushort mipmap; /* Bitmask of supplied mipmap levels */
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GLubyte mipmapCount; /* The number of mipmap levels */
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GLubyte uv_clamp;
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GLuint index;
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GLvoid *data;
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GLuint dataStride;
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GLenum minFilter;
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GLenum magFilter;
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GLboolean isCompressed;
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} TextureObject;
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typedef struct {
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GLfloat emissive[4];
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GLfloat ambient[4];
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GLfloat diffuse[4];
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GLfloat specular[4];
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GLfloat exponent;
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} Material;
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typedef struct {
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GLfloat position[4];
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GLfloat spot_direction[3];
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GLfloat spot_cutoff;
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GLfloat constant_attenuation;
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GLfloat linear_attenuation;
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GLfloat quadratic_attenuation;
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GLfloat spot_exponent;
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GLfloat diffuse[4];
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GLfloat specular[4];
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GLfloat ambient[4];
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GLboolean is_directional;
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} LightSource;
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PolyList *activePolyList();
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PolyList *transparentPolyList();
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void initAttributePointers();
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void initContext();
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void initLights();
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void initImmediateMode();
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void initMatrices();
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void initFramebuffers();
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void _matrixLoadNormal();
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void _matrixLoadModelView();
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void _matrixLoadTexture();
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void _applyRenderMatrix();
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void wipeTextureOnFramebuffers(GLuint texture);
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GLubyte checkImmediateModeInactive(const char* func);
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pvr_poly_cxt_t* getPVRContext();
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GLubyte _glKosInitTextures();
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void _glUpdatePVRTextureContext(pvr_poly_cxt_t* context, GLshort textureUnit);
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typedef struct {
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const void* ptr;
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GLenum type;
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GLsizei stride;
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GLint size;
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} AttribPointer;
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GLboolean _glCheckValidEnum(GLint param, GLenum* values, const char* func);
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GLuint _glGetEnabledAttributes();
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AttribPointer* _glGetVertexAttribPointer();
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AttribPointer* _glGetDiffuseAttribPointer();
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AttribPointer* _glGetNormalAttribPointer();
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AttribPointer* _glGetUVAttribPointer();
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AttribPointer* _glGetSTAttribPointer();
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GLenum _glGetShadeModel();
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TextureObject* getTexture0();
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TextureObject* getTexture1();
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TextureObject* getBoundTexture();
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GLubyte _glGetActiveTexture();
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GLuint _glGetActiveClientTexture();
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GLboolean isBlendingEnabled();
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GLboolean _glIsMipmapComplete(const TextureObject* obj);
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GLubyte* _glGetMipmapLocation(TextureObject* obj, GLuint level);
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GLuint _glGetMipmapLevelCount(TextureObject* obj);
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GLboolean isLightingEnabled();
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GLboolean isLightEnabled(GLubyte light);
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GLboolean _glIsColorMaterialEnabled();
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void _glCalculateLightingContribution(const GLint light, const GLfloat* pos, const GLfloat* normal, uint8_t* bgra, GLfloat* colour);
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unsigned char isClippingEnabled();
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void enableClipping(unsigned char v);
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void _glKosThrowError(GLenum error, const char *function);
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void _glKosPrintError();
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GLubyte _glKosHasError();
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#define PVR_VERTEX_BUF_SIZE 2560 * 256
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#define MAX_TEXTURE_UNITS 2
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#define MAX_LIGHTS 8
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#define CLAMP( X, MIN, MAX ) ( (X)<(MIN) ? (MIN) : ((X)>(MAX) ? (MAX) : (X)) )
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#define mat_trans_fv12() { \
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__asm__ __volatile__( \
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"fldi1 fr15\n" \
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"ftrv xmtrx, fv12\n" \
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"fldi1 fr14\n" \
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"fdiv fr15, fr14\n" \
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"fmul fr14, fr12\n" \
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"fmul fr14, fr13\n" \
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: "=f" (__x), "=f" (__y), "=f" (__z) \
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: "0" (__x), "1" (__y), "2" (__z) \
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: "fr15" ); \
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}
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#endif // PRIVATE_H
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