X-Git-Url: http://de.git.xonotic.org/?a=blobdiff_plain;f=gl_backend.h;h=cea789ce7e842ce7eeacaa14d5fe202bf2286cd2;hb=32bea9b074a4ee3e82fe0bbe82005da9f2d6f418;hp=c97fd14f6c6d57d0a62436ca42261f3c32c290ae;hpb=b2a1ec8cb2a845e6440d0dbc5a9a84464f3deecc;p=xonotic%2Fdarkplaces.git diff --git a/gl_backend.h b/gl_backend.h index c97fd14f..cea789ce 100644 --- a/gl_backend.h +++ b/gl_backend.h @@ -2,61 +2,53 @@ #ifndef GL_BACKEND_H #define GL_BACKEND_H -#define MAX_TEXTUREUNITS 8 +extern r_viewport_t gl_viewport; +extern matrix4x4_t gl_modelmatrix; +extern matrix4x4_t gl_viewmatrix; +extern matrix4x4_t gl_modelviewmatrix; +extern matrix4x4_t gl_projectionmatrix; +extern matrix4x4_t gl_modelviewprojectionmatrix; +extern float gl_modelview16f[16]; +extern float gl_modelviewprojection16f[16]; +extern qboolean gl_modelmatrixchanged; #define POLYGONELEMENTS_MAXPOINTS 258 -extern int polygonelements[768]; +extern int polygonelement3i[(POLYGONELEMENTS_MAXPOINTS-2)*3]; +extern unsigned short polygonelement3s[(POLYGONELEMENTS_MAXPOINTS-2)*3]; +#define QUADELEMENTS_MAXQUADS 128 +extern int quadelement3i[QUADELEMENTS_MAXQUADS*6]; +extern unsigned short quadelement3s[QUADELEMENTS_MAXQUADS*6]; + +void R_Viewport_TransformToScreen(const r_viewport_t *v, const vec4_t in, vec4_t out); +void R_Viewport_InitOrtho(r_viewport_t *v, const matrix4x4_t *cameramatrix, int x, int y, int width, int height, float x1, float y1, float x2, float y2, float zNear, float zFar, const float *nearplane); +void R_Viewport_InitPerspective(r_viewport_t *v, const matrix4x4_t *cameramatrix, int x, int y, int width, int height, float frustumx, float frustumy, float zNear, float zFar, const float *nearplane); +void R_Viewport_InitPerspectiveInfinite(r_viewport_t *v, const matrix4x4_t *cameramatrix, int x, int y, int width, int height, float frustumx, float frustumy, float zNear, const float *nearplane); +void R_Viewport_InitCubeSideView(r_viewport_t *v, const matrix4x4_t *cameramatrix, int side, int size, float nearclip, float farclip, const float *nearplane); +void R_Viewport_InitRectSideView(r_viewport_t *v, const matrix4x4_t *cameramatrix, int side, int size, int border, float nearclip, float farclip, const float *nearplane); +void R_SetViewport(const r_viewport_t *v); +void R_GetViewport(r_viewport_t *v); -void GL_SetupView_Orientation_Identity(void); -void GL_SetupView_Orientation_FromEntity(matrix4x4_t *matrix); -void GL_SetupView_Mode_Perspective(double fovx, double fovy, double zNear, double zFar); -void GL_SetupView_Mode_PerspectiveInfiniteFarClip(double fovx, double fovy, double zNear); -void GL_SetupView_Mode_Ortho(double x1, double y1, double x2, double y2, double zNear, double zFar); void GL_BlendFunc(int blendfunc1, int blendfunc2); void GL_DepthMask(int state); void GL_DepthTest(int state); +void GL_DepthRange(float nearfrac, float farfrac); +void GL_PolygonOffset(float planeoffset, float depthoffset); +void GL_CullFace(int state); +void GL_AlphaTest(int state); void GL_ColorMask(int r, int g, int b, int a); void GL_Color(float cr, float cg, float cb, float ca); -void GL_ShowTrisColor(float cr, float cg, float cb, float ca); -void GL_TransformToScreen(const vec4_t in, vec4_t out); -void GL_LockArrays(int first, int count); -void GL_ActiveTexture(int num); -void GL_ClientActiveTexture(int num); -void GL_Scissor(int x, int y, int width, int height); // AK for DRAWQUEUE_SETCLIP -void GL_ScissorTest(int state); // AK for DRAWQUEUE_(RE)SETCLIP +void GL_ActiveTexture(unsigned int num); +void GL_ClientActiveTexture(unsigned int num); +void GL_Scissor(int x, int y, int width, int height); +void GL_ScissorTest(int state); void GL_Clear(int mask); -extern cvar_t gl_lockarrays; -extern cvar_t gl_mesh_copyarrays; +unsigned int GL_Backend_CompileProgram(int vertexstrings_count, const char **vertexstrings_list, int geometrystrings_count, const char **geometrystrings_list, int fragmentstrings_count, const char **fragmentstrings_list); +void GL_Backend_FreeProgram(unsigned int prog); + extern cvar_t gl_paranoid; extern cvar_t gl_printcheckerror; -extern int c_meshelements, c_meshs; - -//input to R_Mesh_State -typedef struct -{ - // textures - int tex1d[MAX_TEXTUREUNITS]; - int tex[MAX_TEXTUREUNITS]; - int tex3d[MAX_TEXTUREUNITS]; - int texcubemap[MAX_TEXTUREUNITS]; - // texture combine settings - int texrgbscale[MAX_TEXTUREUNITS]; // used only if COMBINE is present - int texalphascale[MAX_TEXTUREUNITS]; // used only if COMBINE is present - int texcombinergb[MAX_TEXTUREUNITS]; // works with or without combine for some operations - int texcombinealpha[MAX_TEXTUREUNITS]; // does nothing without combine - // matrices - matrix4x4_t texmatrix[MAX_TEXTUREUNITS]; - // pointers - const float *pointer_texcoord[MAX_TEXTUREUNITS]; - - // other state set by this - const float *pointer_vertex; - const float *pointer_color; -} -rmeshstate_t; - // adds console variables and registers the render module (only call from GL_Init) void gl_backend_init(void); @@ -67,51 +59,48 @@ void R_Mesh_Start(void); // (only valid after R_Mesh_Start) void R_Mesh_Finish(void); -// sets up the requested transform matrix -void R_Mesh_Matrix(const matrix4x4_t *matrix); - -// set up the requested state -void R_Mesh_State(const rmeshstate_t *m); +// allocates a static element array buffer object +// (storing triangle data in video memory) +int R_Mesh_CreateStaticEBO(void *data, size_t size); +// frees an element array buffer object +void R_Mesh_DestroyEBO(int bufferobject); +// allocates a static vertex/element array buffer object +// (storing vertex or element data in video memory) +// target is GL_ELEMENT_ARRAY_BUFFER_ARB (triangle elements) +// or GL_ARRAY_BUFFER_ARB (vertex data) +int R_Mesh_CreateStaticBufferObject(unsigned int target, void *data, size_t size, const char *name); +// frees a vertex/element array buffer object +void R_Mesh_DestroyBufferObject(int bufferobject); +void GL_Mesh_ListVBOs(qboolean printeach); + +// sets up the requested vertex transform matrix +void R_EntityMatrix(const matrix4x4_t *matrix); +// sets the vertex array pointer +void R_Mesh_VertexPointer(const float *vertex3f, int bufferobject, size_t bufferoffset); +// sets the color array pointer (GL_Color only works when this is NULL) +void R_Mesh_ColorPointer(const float *color4f, int bufferobject, size_t bufferoffset); +// sets the texcoord array pointer for an array unit +void R_Mesh_TexCoordPointer(unsigned int unitnum, unsigned int numcomponents, const float *texcoord, int bufferobject, size_t bufferoffset); +// returns current texture bound to this identifier +int R_Mesh_TexBound(unsigned int unitnum, int id); +// copies a section of the framebuffer to a 2D texture +void R_Mesh_CopyToTexture(rtexture_t *tex, int tx, int ty, int sx, int sy, int width, int height); +// bind a given texture to a given image unit +void R_Mesh_TexBind(unsigned int unitnum, rtexture_t *tex); +// sets the texcoord matrix for a texenv unit, can be NULL or blank (will use identity) +void R_Mesh_TexMatrix(unsigned int unitnum, const matrix4x4_t *matrix); +// sets the combine state for a texenv unit +void R_Mesh_TexCombine(unsigned int unitnum, int combinergb, int combinealpha, int rgbscale, int alphascale); +// set up a blank texture state (unbinds all textures, texcoord pointers, and resets combine settings) +void R_Mesh_ResetTextureState(void); // renders a mesh -void R_Mesh_Draw(int numverts, int numtriangles, const int *elements); -// renders a mesh as lines -void R_Mesh_Draw_ShowTris(int numverts, int numtriangles, const int *elements); +void R_Mesh_Draw(int firstvertex, int numvertices, int firsttriangle, int numtriangles, const int *element3i, const unsigned short *element3s, int bufferobject3i, int bufferobject3s); // saves a section of the rendered frame to a .tga or .jpg file -qboolean SCR_ScreenShot(char *filename, int x, int y, int width, int height, qboolean jpeg); +qboolean SCR_ScreenShot(char *filename, unsigned char *buffer1, unsigned char *buffer2, unsigned char *buffer3, int x, int y, int width, int height, qboolean flipx, qboolean flipy, qboolean flipdiagonal, qboolean jpeg, qboolean png, qboolean gammacorrect); // used by R_Envmap_f and internally in backend, clears the frame -void R_ClearScreen(void); -// invoke refresh of frame -void SCR_UpdateScreen(void); - -// public structure -typedef struct rcachearrayrequest_s -{ - // for use by the code that is requesting the array, these are not - // directly used but merely compared to determine if cache items are - // identical - const void *id_pointer1; - const void *id_pointer2; - const void *id_pointer3; - int id_number1; - int id_number2; - int id_number3; - // size of array data - int data_size; - // array data pointer - void *data; -} -rcachearrayrequest_t; - -int R_Mesh_CacheArray(rcachearrayrequest_t *r); - -extern float varray_vertex3f[65536*3]; -extern float varray_color4f[65536*4]; -extern float varray_texcoord2f[4][65536*2]; -extern float varray_texcoord3f[4][65536*3]; -extern float varray_normal3f[65536*3]; -extern int earray_element3i[65536]; +void R_ClearScreen(qboolean fogcolor); #endif