127 lines
3.9 KiB
C
127 lines
3.9 KiB
C
#pragma once
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#include "gl.h"
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__BEGIN_DECLS
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extern const char* GLDC_VERSION;
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/*
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* Dreamcast specific compressed + twiddled formats.
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* We use constants from the range 0xEEE0 onwards
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* to avoid trampling any real GL constants (this is in the middle of the
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* any_vendor_future_use range defined in the GL enum.spec file.
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*/
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#define GL_UNSIGNED_SHORT_5_6_5_TWID_KOS 0xEEE0
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#define GL_UNSIGNED_SHORT_1_5_5_5_REV_TWID_KOS 0xEEE2
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#define GL_UNSIGNED_SHORT_4_4_4_4_REV_TWID_KOS 0xEEE3
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#define GL_COMPRESSED_RGB_565_VQ_KOS 0xEEE4
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#define GL_COMPRESSED_ARGB_1555_VQ_KOS 0xEEE6
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#define GL_COMPRESSED_ARGB_4444_VQ_KOS 0xEEE7
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#define GL_COMPRESSED_RGB_565_VQ_TWID_KOS 0xEEE8
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#define GL_COMPRESSED_ARGB_1555_VQ_TWID_KOS 0xEEEA
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#define GL_COMPRESSED_ARGB_4444_VQ_TWID_KOS 0xEEEB
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#define GL_COMPRESSED_RGB_565_VQ_MIPMAP_KOS 0xEEEC
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#define GL_COMPRESSED_ARGB_1555_VQ_MIPMAP_KOS 0xEEED
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#define GL_COMPRESSED_ARGB_4444_VQ_MIPMAP_KOS 0xEEEE
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#define GL_COMPRESSED_RGB_565_VQ_MIPMAP_TWID_KOS 0xEEEF
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#define GL_COMPRESSED_ARGB_1555_VQ_MIPMAP_TWID_KOS 0xEEF0
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#define GL_COMPRESSED_ARGB_4444_VQ_MIPMAP_TWID_KOS 0xEEF1
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#define GL_NEARZ_CLIPPING_KOS 0xEEFA
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#define GL_UNSIGNED_BYTE_TWID_KOS 0xEEFB
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/* Initialize the GL pipeline. GL will initialize the PVR. */
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GLAPI void APIENTRY glKosInit();
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typedef struct {
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/* If GL_TRUE, enables pvr autosorting, this *will* break glDepthFunc/glDepthTest */
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GLboolean autosort_enabled;
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/* If GL_TRUE, enables the PVR FSAA */
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GLboolean fsaa_enabled;
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/* The internal format for paletted textures, must be GL_RGBA4 (default) or GL_RGBA8 */
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GLenum internal_palette_format;
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/* Initial capacity of each of the OP, TR and PT lists in vertices */
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GLuint initial_op_capacity;
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GLuint initial_tr_capacity;
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GLuint initial_pt_capacity;
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GLuint initial_immediate_capacity;
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} GLdcConfig;
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typedef struct {
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GLuint padding0;
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GLfloat x;
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GLfloat y;
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GLfloat z;
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GLfloat u;
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GLfloat v;
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GLubyte bgra[4];
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GLuint padding1;
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} GLVertexKOS;
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GLAPI void APIENTRY glVertexPackColor3fKOS(GLVertexKOS* vertex, float r, float g, float b);
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GLAPI void APIENTRY glVertexPackColor4fKOS(GLVertexKOS* vertex, float r, float g, float b, float a);
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GLAPI void APIENTRY glKosInitConfig(GLdcConfig* config);
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/* Usage:
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*
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* GLdcConfig config;
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* glKosInitConfig(&config);
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*
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* config.autosort_enabled = GL_TRUE;
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*
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* glKosInitEx(&config);
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*/
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GLAPI void APIENTRY glKosInitEx(GLdcConfig* config);
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GLAPI void APIENTRY glKosSwapBuffers();
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/*
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* CUSTOM EXTENSION multiple_shared_palette_KOS
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*
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* This extension allows using up to 4 different shared palettes
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* with ColorTableEXT. The following constants are provided
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* to use as targets for ColorTableExt:
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*
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* - SHARED_TEXTURE_PALETTE_0_KOS
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* - SHARED_TEXTURE_PALETTE_1_KOS
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* - SHARED_TEXTURE_PALETTE_2_KOS
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* - SHARED_TEXTURE_PALETTE_3_KOS
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*
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* In this use case SHARED_TEXTURE_PALETTE_0_KOS is interchangable with SHARED_TEXTURE_PALETTE_EXT
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* (both refer to the first shared palette).
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*
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* To select which palette a texture uses, a new pname is accepted by TexParameteri: SHARED_TEXTURE_BANK_KOS
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* by default textures use shared palette 0.
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*/
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#define GL_SHARED_TEXTURE_PALETTE_0_KOS 0xEEFC
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#define GL_SHARED_TEXTURE_PALETTE_1_KOS 0xEEFD
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#define GL_SHARED_TEXTURE_PALETTE_2_KOS 0xEEFE
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#define GL_SHARED_TEXTURE_PALETTE_3_KOS 0xEEFF
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/* Pass to glTexParameteri to set the shared bank */
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#define GL_SHARED_TEXTURE_BANK_KOS 0xEF00
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/* Memory allocation extension (GL_KOS_texture_memory_management) */
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GLAPI GLvoid APIENTRY glDefragmentTextureMemory_KOS(void);
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#define GL_FREE_TEXTURE_MEMORY_KOS 0xEF01
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#define GL_USED_TEXTURE_MEMORY_KOS 0xEF02
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#define GL_FREE_CONTIGUOUS_TEXTURE_MEMORY_KOS 0xEF03
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__END_DECLS
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