X-Git-Url: http://de.git.xonotic.org/?p=xonotic%2Fdarkplaces.git;a=blobdiff_plain;f=gl_backend.h;h=1970a77db02465118c11290dcaa3ec660dbd27e4;hp=4adfec302e9b84ff392b1824d7a0bc93ce5945aa;hb=8bcbd476c86b2c26e77b76b57039f840904a89a5;hpb=f44da5bcf54aefb5aa2330b0314c3076148d806c diff --git a/gl_backend.h b/gl_backend.h index 4adfec30..1970a77d 100644 --- a/gl_backend.h +++ b/gl_backend.h @@ -2,7 +2,8 @@ #ifndef GL_BACKEND_H #define GL_BACKEND_H -#define MAX_TEXTUREUNITS 16 +// how many texture units to track state on (backendunits/backendimageunits/backendarrayunits are limited to this value) +#define MAX_TEXTUREUNITS 64 #define POLYGONELEMENTS_MAXPOINTS 258 extern int polygonelements[(POLYGONELEMENTS_MAXPOINTS-2)*3]; @@ -10,16 +11,20 @@ extern int polygonelements[(POLYGONELEMENTS_MAXPOINTS-2)*3]; extern int quadelements[QUADELEMENTS_MAXQUADS*6]; void GL_SetupView_Orientation_Identity(void); -void GL_SetupView_Orientation_FromEntity(matrix4x4_t *matrix); +void GL_SetupView_Orientation_FromEntity(const matrix4x4_t *matrix); void GL_SetupView_Mode_Perspective(double frustumx, double frustumy, double zNear, double zFar); void GL_SetupView_Mode_PerspectiveInfiniteFarClip(double frustumx, double frustumy, double zNear); void GL_SetupView_Mode_Ortho(double x1, double y1, double x2, double y2, double zNear, double zFar); +void GL_SetupView_ApplyCustomNearClipPlane(double normalx, double normaly, double normalz, double dist); 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(unsigned int num); @@ -28,7 +33,7 @@ void GL_Scissor(int x, int y, int width, int height); void GL_ScissorTest(int state); void GL_Clear(int mask); -unsigned int GL_Backend_CompileProgram(int vertexstrings_count, const char **vertexstrings_list, int fragmentstrings_count, const char **fragmentstrings_list); +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_lockarrays; @@ -36,7 +41,7 @@ extern cvar_t gl_mesh_copyarrays; extern cvar_t gl_paranoid; extern cvar_t gl_printcheckerror; -//input to R_Mesh_State +//input to R_Mesh_TextureState typedef struct rmeshstate_s { // textures @@ -54,10 +59,8 @@ typedef struct rmeshstate_s // pointers const float *pointer_texcoord[MAX_TEXTUREUNITS]; // 2D const float *pointer_texcoord3f[MAX_TEXTUREUNITS]; // 3D - - // other state set by this - const float *pointer_vertex; - const float *pointer_color; + int pointer_texcoord_bufferobject[MAX_TEXTUREUNITS]; // 2D and 3D + size_t pointer_texcoord_bufferoffset[MAX_TEXTUREUNITS]; // 2D and 3D } rmeshstate_t; @@ -71,14 +74,28 @@ void R_Mesh_Start(void); // (only valid after R_Mesh_Start) void R_Mesh_Finish(void); +// 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_Mesh_Matrix(const matrix4x4_t *matrix); // sets the vertex array pointer -void R_Mesh_VertexPointer(const float *vertex3f); +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); +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); +void R_Mesh_TexCoordPointer(unsigned int unitnum, unsigned int numcomponents, const float *texcoord, int bufferobject, size_t bufferoffset); // sets all textures bound to an image unit (multiple can be non-zero at once, according to OpenGL rules the highest one overrides the others) void R_Mesh_TexBindAll(unsigned int unitnum, int tex1d, int tex2d, int tex3d, int texcubemap); // sets these are like TexBindAll with only one of the texture indices non-zero @@ -91,32 +108,22 @@ void R_Mesh_TexBindCubeMap(unsigned int unitnum, int texnum); 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 the requested entire rendering state -void R_Mesh_State(const rmeshstate_t *m); +// set up the requested texture state +void R_Mesh_TextureState(const rmeshstate_t *m); +// set up a blank texture state (faster/easier specialized version of R_Mesh_TextureState) +void R_Mesh_ResetTextureState(void); // renders a mesh -void R_Mesh_Draw(int firstvertex, int numvertices, int numtriangles, const int *elements); +void R_Mesh_Draw(int firstvertex, int numvertices, int numtriangles, const int *elements, int bufferobject, size_t bufferoffset); // renders a mesh as lines void R_Mesh_Draw_ShowTris(int firstvertex, int numvertices, int numtriangles, const int *elements); // saves a section of the rendered frame to a .tga or .jpg file 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 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); +void R_ClearScreen(qboolean fogcolor); // invoke refresh of loading plaque (nothing else seen) -void SCR_UpdateLoadingScreen(void); - -extern float varray_vertex3f[65536*3]; -extern float varray_svector3f[65536*3]; -extern float varray_tvector3f[65536*3]; -extern float varray_normal3f[65536*3]; -extern float varray_color4f[65536*4]; -extern float varray_texcoord2f[4][65536*2]; -extern float varray_texcoord3f[4][65536*3]; -extern int earray_element3i[65536]; -extern float varray_vertex3f2[65536*3]; +void SCR_UpdateLoadingScreen(qboolean clear); #endif