GLdc/include/GL/glkos.h
2023-09-01 20:23:55 +01:00

221 lines
8.6 KiB
C

#pragma once
#include "gl.h"
__BEGIN_DECLS
extern const char* GLDC_VERSION;
/*
* Dreamcast specific compressed + twiddled formats.
* We use constants from the range 0xEEE0 onwards
* to avoid trampling any real GL constants (this is in the middle of the
* any_vendor_future_use range defined in the GL enum.spec file.
*/
#define GL_UNSIGNED_SHORT_5_6_5_TWID_KOS 0xEEE0
#define GL_UNSIGNED_SHORT_1_5_5_5_REV_TWID_KOS 0xEEE2
#define GL_UNSIGNED_SHORT_4_4_4_4_REV_TWID_KOS 0xEEE3
#define GL_COMPRESSED_RGB_565_VQ_KOS 0xEEE4
#define GL_COMPRESSED_ARGB_1555_VQ_KOS 0xEEE6
#define GL_COMPRESSED_ARGB_4444_VQ_KOS 0xEEE7
#define GL_COMPRESSED_RGB_565_VQ_TWID_KOS 0xEEE8
#define GL_COMPRESSED_ARGB_1555_VQ_TWID_KOS 0xEEEA
#define GL_COMPRESSED_ARGB_4444_VQ_TWID_KOS 0xEEEB
#define GL_COMPRESSED_RGB_565_VQ_MIPMAP_KOS 0xEEEC
#define GL_COMPRESSED_ARGB_1555_VQ_MIPMAP_KOS 0xEEED
#define GL_COMPRESSED_ARGB_4444_VQ_MIPMAP_KOS 0xEEEE
#define GL_COMPRESSED_RGB_565_VQ_MIPMAP_TWID_KOS 0xEEEF
#define GL_COMPRESSED_ARGB_1555_VQ_MIPMAP_TWID_KOS 0xEEF0
#define GL_COMPRESSED_ARGB_4444_VQ_MIPMAP_TWID_KOS 0xEEF1
#define GL_NEARZ_CLIPPING_KOS 0xEEFA
#define GL_UNSIGNED_BYTE_TWID_KOS 0xEEFB
/* Initialize the GL pipeline. GL will initialize the PVR. */
GLAPI void APIENTRY glKosInit();
typedef struct {
/* If GL_TRUE, enables pvr autosorting, this *will* break glDepthFunc/glDepthTest */
GLboolean autosort_enabled;
/* If GL_TRUE, enables the PVR FSAA */
GLboolean fsaa_enabled;
/* The internal format for paletted textures, must be GL_RGBA4 (default) or GL_RGBA8 */
GLenum internal_palette_format;
/* Initial capacity of each of the OP, TR and PT lists in vertices */
GLuint initial_op_capacity;
GLuint initial_tr_capacity;
GLuint initial_pt_capacity;
GLuint initial_immediate_capacity;
/* Default: True
*
* Whether glTexImage should automatically twiddle textures
* if the internal format is a generic format (e.g. GL_RGB).
* this is the same as calling glEnable(GL_TEXTURE_TWIDDLE_KOS)
* on boot */
GLboolean texture_twiddle;
} GLdcConfig;
typedef struct {
GLuint padding0;
GLfloat x;
GLfloat y;
GLfloat z;
GLfloat u;
GLfloat v;
GLubyte bgra[4];
GLuint padding1;
} GLVertexKOS;
GLAPI void APIENTRY glVertexPackColor3fKOS(GLVertexKOS* vertex, float r, float g, float b);
GLAPI void APIENTRY glVertexPackColor4fKOS(GLVertexKOS* vertex, float r, float g, float b, float a);
GLAPI void APIENTRY glKosInitConfig(GLdcConfig* config);
/* Usage:
*
* GLdcConfig config;
* glKosInitConfig(&config);
*
* config.autosort_enabled = GL_TRUE;
*
* glKosInitEx(&config);
*/
GLAPI void APIENTRY glKosInitEx(GLdcConfig* config);
GLAPI void APIENTRY glKosSwapBuffers();
GLAPI void APIENTRY glKosShutdown();
/*
* CUSTOM EXTENSION multiple_shared_palette_KOS
*
* This extension allows using up to 4 different shared palettes
* with ColorTableEXT. The following constants are provided
* to use as targets for ColorTableExt:
*
* - SHARED_TEXTURE_PALETTE_0_KOS
* - SHARED_TEXTURE_PALETTE_1_KOS
* - SHARED_TEXTURE_PALETTE_2_KOS
* - SHARED_TEXTURE_PALETTE_3_KOS
*
* In this use case SHARED_TEXTURE_PALETTE_0_KOS is interchangable with SHARED_TEXTURE_PALETTE_EXT
* (both refer to the first shared palette).
*
* To select which palette a texture uses, a new pname is accepted by TexParameteri: SHARED_TEXTURE_BANK_KOS
* by default textures use shared palette 0.
*/
#define GL_SHARED_TEXTURE_PALETTE_0_KOS 0xEEFC
#define GL_SHARED_TEXTURE_PALETTE_1_KOS 0xEEFD
#define GL_SHARED_TEXTURE_PALETTE_2_KOS 0xEEFE
#define GL_SHARED_TEXTURE_PALETTE_3_KOS 0xEEFF
#define GL_SHARED_TEXTURE_PALETTE_4_KOS 0xEF00
#define GL_SHARED_TEXTURE_PALETTE_5_KOS 0xEF01
#define GL_SHARED_TEXTURE_PALETTE_6_KOS 0xEF02
#define GL_SHARED_TEXTURE_PALETTE_7_KOS 0xEF03
#define GL_SHARED_TEXTURE_PALETTE_8_KOS 0xEF04
#define GL_SHARED_TEXTURE_PALETTE_9_KOS 0xEF05
#define GL_SHARED_TEXTURE_PALETTE_10_KOS 0xEF06
#define GL_SHARED_TEXTURE_PALETTE_11_KOS 0xEF07
#define GL_SHARED_TEXTURE_PALETTE_12_KOS 0xEF08
#define GL_SHARED_TEXTURE_PALETTE_13_KOS 0xEF09
#define GL_SHARED_TEXTURE_PALETTE_14_KOS 0xEF0A
#define GL_SHARED_TEXTURE_PALETTE_15_KOS 0xEF0B
#define GL_SHARED_TEXTURE_PALETTE_16_KOS 0xEF0C
#define GL_SHARED_TEXTURE_PALETTE_17_KOS 0xEF0D
#define GL_SHARED_TEXTURE_PALETTE_18_KOS 0xEF0E
#define GL_SHARED_TEXTURE_PALETTE_19_KOS 0xEF0F
#define GL_SHARED_TEXTURE_PALETTE_20_KOS 0xEF10
#define GL_SHARED_TEXTURE_PALETTE_21_KOS 0xEF11
#define GL_SHARED_TEXTURE_PALETTE_22_KOS 0xEF12
#define GL_SHARED_TEXTURE_PALETTE_23_KOS 0xEF13
#define GL_SHARED_TEXTURE_PALETTE_24_KOS 0xEF14
#define GL_SHARED_TEXTURE_PALETTE_25_KOS 0xEF15
#define GL_SHARED_TEXTURE_PALETTE_26_KOS 0xEF16
#define GL_SHARED_TEXTURE_PALETTE_27_KOS 0xEF17
#define GL_SHARED_TEXTURE_PALETTE_28_KOS 0xEF18
#define GL_SHARED_TEXTURE_PALETTE_29_KOS 0xEF19
#define GL_SHARED_TEXTURE_PALETTE_30_KOS 0xEF1A
#define GL_SHARED_TEXTURE_PALETTE_31_KOS 0xEF1B
#define GL_SHARED_TEXTURE_PALETTE_32_KOS 0xEF1C
#define GL_SHARED_TEXTURE_PALETTE_33_KOS 0xEF1D
#define GL_SHARED_TEXTURE_PALETTE_34_KOS 0xEF1E
#define GL_SHARED_TEXTURE_PALETTE_35_KOS 0xEF1F
#define GL_SHARED_TEXTURE_PALETTE_36_KOS 0xEF20
#define GL_SHARED_TEXTURE_PALETTE_37_KOS 0xEF21
#define GL_SHARED_TEXTURE_PALETTE_38_KOS 0xEF22
#define GL_SHARED_TEXTURE_PALETTE_39_KOS 0xEF23
#define GL_SHARED_TEXTURE_PALETTE_40_KOS 0xEF24
#define GL_SHARED_TEXTURE_PALETTE_41_KOS 0xEF25
#define GL_SHARED_TEXTURE_PALETTE_42_KOS 0xEF26
#define GL_SHARED_TEXTURE_PALETTE_43_KOS 0xEF27
#define GL_SHARED_TEXTURE_PALETTE_44_KOS 0xEF28
#define GL_SHARED_TEXTURE_PALETTE_45_KOS 0xEF29
#define GL_SHARED_TEXTURE_PALETTE_46_KOS 0xEF2A
#define GL_SHARED_TEXTURE_PALETTE_47_KOS 0xEF2B
#define GL_SHARED_TEXTURE_PALETTE_48_KOS 0xEF2C
#define GL_SHARED_TEXTURE_PALETTE_49_KOS 0xEF2D
#define GL_SHARED_TEXTURE_PALETTE_50_KOS 0xEF2E
#define GL_SHARED_TEXTURE_PALETTE_51_KOS 0xEF2F
#define GL_SHARED_TEXTURE_PALETTE_52_KOS 0xEF30
#define GL_SHARED_TEXTURE_PALETTE_53_KOS 0xEF31
#define GL_SHARED_TEXTURE_PALETTE_54_KOS 0xEF32
#define GL_SHARED_TEXTURE_PALETTE_55_KOS 0xEF33
#define GL_SHARED_TEXTURE_PALETTE_56_KOS 0xEF34
#define GL_SHARED_TEXTURE_PALETTE_57_KOS 0xEF35
#define GL_SHARED_TEXTURE_PALETTE_58_KOS 0xEF36
#define GL_SHARED_TEXTURE_PALETTE_59_KOS 0xEF37
#define GL_SHARED_TEXTURE_PALETTE_60_KOS 0xEF38
#define GL_SHARED_TEXTURE_PALETTE_61_KOS 0xEF39
#define GL_SHARED_TEXTURE_PALETTE_62_KOS 0xEF3A
#define GL_SHARED_TEXTURE_PALETTE_63_KOS 0xEF3B
/* Pass to glTexParameteri to set the shared bank */
#define GL_SHARED_TEXTURE_BANK_KOS 0xEF3C
/* Memory allocation extension (GL_KOS_texture_memory_management) */
GLAPI GLvoid APIENTRY glDefragmentTextureMemory_KOS(void);
/* glGet extensions */
#define GL_FREE_TEXTURE_MEMORY_KOS 0xEF3D
#define GL_USED_TEXTURE_MEMORY_KOS 0xEF3E
#define GL_FREE_CONTIGUOUS_TEXTURE_MEMORY_KOS 0xEF3F
//for palette internal format (glfcConfig)
#define GL_RGB565_KOS 0xEF40
#define GL_ARGB4444_KOS 0xEF41
#define GL_ARGB1555_KOS 0xEF42
#define GL_RGB565_TWID_KOS 0xEF43
#define GL_ARGB4444_TWID_KOS 0xEF44
#define GL_ARGB1555_TWID_KOS 0xEF45
#define GL_COLOR_INDEX8_TWID_KOS 0xEF46
#define GL_COLOR_INDEX4_TWID_KOS 0xEF47
#define GL_RGB_TWID_KOS 0xEF48
#define GL_RGBA_TWID_KOS 0xEF49
/* glGet extensions */
#define GL_TEXTURE_INTERNAL_FORMAT_KOS 0xEF50
/* If enabled, will twiddle texture uploads where possible */
#define GL_TEXTURE_TWIDDLE_KOS 0xEF51
__END_DECLS