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#ifndef PRIVATE_H
#define PRIVATE_H
#include <stdint.h>
#include <stdio.h>
#include "sh4.h"
#include "types.h"
#include "aligned_vector.h"
#define MAX_TEXTURE_COUNT 768
#define GL_SCISSOR_TEST 0x0008
#define GL_NEAREST 0x2600
#define GL_LINEAR 0x2601
#define GL_OUT_OF_MEMORY 0x0505
#define GLushort unsigned short
#define GLuint unsigned int
#define GLenum unsigned int
#define GLubyte unsigned char
#define GLboolean unsigned char
#define GL_FALSE 0
#define GL_TRUE 1
void glClearDepth(float depth);
GLuint gldcGenTexture(void);
void gldcDeleteTexture(GLuint texture);
void gldcBindTexture(GLuint texture);
/* Loads texture from SH4 RAM into PVR VRAM */
int gldcAllocTexture(int w, int h, int format);
void gldcGetTexture(void** data, int* width, int* height);
void glViewport(int x, int y, int width, int height);
void glScissor( int x, int y, int width, int height);
void glKosInit();
void glKosSwapBuffers();
extern void* memcpy4 (void *dest, const void *src, size_t count);
#define GL_NO_INSTRUMENT inline __attribute__((no_instrument_function))
#define GL_INLINE_DEBUG GL_NO_INSTRUMENT __attribute__((always_inline))
#define GL_FORCE_INLINE static GL_INLINE_DEBUG
#define _GL_UNUSED(x) (void)(x)
#define TRACE_ENABLED 0
#define TRACE() if(TRACE_ENABLED) {fprintf(stderr, "%s\n", __func__);} (void) 0
typedef struct {
unsigned int flags; /* Constant PVR_CMD_USERCLIP */
unsigned int d1, d2, d3; /* Ignored for this type */
unsigned int sx, /* Start x */
sy, /* Start y */
ex, /* End x */
ey; /* End y */
} PVRTileClipCommand; /* Tile Clip command for the pvr */
typedef struct {
unsigned int list_type;
AlignedVector vector;
} PolyList;
typedef struct {
float x_plus_hwidth;
float y_plus_hheight;
float hwidth; /* width * 0.5f */
float hheight; /* height * 0.5f */
} Viewport;
extern Viewport VIEWPORT;
typedef struct {
//0
GLuint index;
GLuint color; /* This is the PVR texture format */
//8
GLenum minFilter;
GLenum magFilter;
//16
void *data;
//20
GLushort width;
GLushort height;
// 24
GLushort mipmap; /* Bitmask of supplied mipmap levels */
// 26
GLubyte mipmap_bias;
GLubyte _pad3;
// 28
GLushort _pad0;
// 30
GLubyte _pad1;
GLubyte _pad2;
} __attribute__((aligned(32))) TextureObject;
GL_FORCE_INLINE void memcpy_vertex(Vertex *dest, const Vertex *src) {
#ifdef __DREAMCAST__
_Complex float double_scratch;
asm volatile (
"fschg\n\t"
"clrs\n\t"
".align 2\n\t"
"fmov.d @%[in]+, %[scratch]\n\t"
"fmov.d %[scratch], @%[out]\n\t"
"fmov.d @%[in]+, %[scratch]\n\t"
"add #8, %[out]\n\t"
"fmov.d %[scratch], @%[out]\n\t"
"fmov.d @%[in]+, %[scratch]\n\t"
"add #8, %[out]\n\t"
"fmov.d %[scratch], @%[out]\n\t"
"fmov.d @%[in], %[scratch]\n\t"
"add #8, %[out]\n\t"
"fmov.d %[scratch], @%[out]\n\t"
"fschg\n"
: [in] "+&r" ((uint32_t) src), [scratch] "=&d" (double_scratch), [out] "+&r" ((uint32_t) dest)
:
: "t", "memory" // clobbers
);
#else
*dest = *src;
#endif
}
void _glInitContext();
void _glInitSubmissionTarget();
void _glInitTextures();
extern TextureObject* TEXTURE_ACTIVE;
extern GLboolean TEXTURES_ENABLED;
extern GLboolean DEPTH_TEST_ENABLED;
extern GLboolean DEPTH_MASK_ENABLED;
extern GLboolean CULLING_ENABLED;
extern GLboolean FOG_ENABLED;
extern GLboolean ALPHA_TEST_ENABLED;
extern GLboolean BLEND_ENABLED;
extern GLboolean SCISSOR_TEST_ENABLED;
extern GLenum SHADE_MODEL;
extern GLboolean AUTOSORT_ENABLED;
extern PolyList OP_LIST;
extern PolyList PT_LIST;
extern PolyList TR_LIST;
GL_FORCE_INLINE PolyList* _glActivePolyList() {
if(BLEND_ENABLED) {
return &TR_LIST;
} else if(ALPHA_TEST_ENABLED) {
return &PT_LIST;
} else {
return &OP_LIST;
}
}
/* Memory allocation extension (GL_KOS_texture_memory_management) */
void glDefragmentTextureMemory_KOS(void);
GLuint _glFreeTextureMemory(void);
GLuint _glUsedTextureMemory(void);
GLuint _glFreeContiguousTextureMemory(void);
void _glApplyScissor(int force);
extern GLboolean STATE_DIRTY;
/* This is from KOS pvr_buffers.c */
#define PVR_MIN_Z 0.0001f
#define MIN(a,b) (((a)<(b))?(a):(b))
#define MAX(a,b) (((a)>(b))?(a):(b))
#define CLAMP( X, _MIN, _MAX ) ( (X)<(_MIN) ? (_MIN) : ((X)>(_MAX) ? (_MAX) : (X)) )
#endif // PRIVATE_H
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