implemented occlusion query support on corona rendering, this enables

[xonotic/darkplaces.git] / render.h

diff --git a/render.h b/render.h
index be4915d70b348d20b6b0dd49039ffe7dcb5cf949..f2b617b921ca53576f22784b3a853a71c153c10a 100644 (file)
--- a/render.h
+++ b/render.h
@@ -124,8 +124,14 @@ void R_Init(void);
 void R_UpdateVariables(void); // must call after setting up most of r_refdef, but before calling R_RenderView
 void R_RenderView(void); // must set r_refdef and call R_UpdateVariables first
 
+typedef enum r_refdef_scene_type_s {
+       RST_CLIENT,
+       RST_MENU,
+       RST_COUNT
+} r_refdef_scene_type_t;
 
-void R_InitSky (unsigned char *src, int bytesperpixel); // called at level load
+void R_SelectScene( r_refdef_scene_type_t scenetype );
+r_refdef_scene_t * R_GetScenePointer( r_refdef_scene_type_t scenetype );
 
 void R_SkinFrame_PrepareForPurge(void);
 void R_SkinFrame_MarkUsed(skinframe_t *skinframe);
@@ -134,6 +140,7 @@ void R_SkinFrame_Purge(void);
 skinframe_t *R_SkinFrame_FindNextByName( skinframe_t *last, const char *name );
 skinframe_t *R_SkinFrame_Find(const char *name, int textureflags, int comparewidth, int compareheight, int comparecrc, qboolean add);
 skinframe_t *R_SkinFrame_LoadExternal(const char *name, int textureflags, qboolean complain);
+skinframe_t *R_SkinFrame_LoadExternal_CheckAlpha(const char *name, int textureflags, qboolean complain, qboolean *has_alpha);
 skinframe_t *R_SkinFrame_LoadInternalBGRA(const char *name, int textureflags, const unsigned char *skindata, int width, int height);
 skinframe_t *R_SkinFrame_LoadInternalQuake(const char *name, int textureflags, int loadpantsandshirt, int loadglowtexture, const unsigned char *skindata, int width, int height);
 skinframe_t *R_SkinFrame_LoadMissing(void);
@@ -184,6 +191,11 @@ extern rtexture_t *r_texture_normalizationcube;
 extern rtexture_t *r_texture_fogattenuation;
 //extern rtexture_t *r_texture_fogintensity;
 
+#define R_MAX_OCCLUSION_QUERIES 4096
+extern unsigned int r_queries[R_MAX_OCCLUSION_QUERIES];
+extern unsigned int r_numqueries;
+extern unsigned int r_maxqueries;
+
 void R_TimeReport(char *name);
 
 // r_stain
@@ -194,16 +206,6 @@ void R_DrawSprite(int blendfunc1, int blendfunc2, rtexture_t *texture, rtexture_
 
 extern mempool_t *r_main_mempool;
 
-typedef enum rsurfmode_e
-{
-       RSURFMODE_NONE,
-       RSURFMODE_SHOWSURFACES,
-       RSURFMODE_SKY,
-       RSURFMODE_MULTIPASS,
-       RSURFMODE_GLSL
-}
-rsurfmode_t;
-
 typedef struct rsurfacestate_s
 {
        // processing buffers
@@ -257,7 +259,9 @@ typedef struct rsurfacestate_s
        int modeltexcoordlightmap2f_bufferobject;
        size_t modeltexcoordlightmap2f_bufferoffset;
        int *modelelement3i;
+       unsigned short *modelelement3s;
        int modelelement3i_bufferobject;
+       int modelelement3s_bufferobject;
        int *modellightmapoffsets;
        int modelnum_vertices;
        int modelnum_triangles;
@@ -315,12 +319,10 @@ typedef struct rsurfacestate_s
        // whether lightmapping is active on this batch
        // (otherwise vertex colored)
        qboolean uselightmaptexture;
-       // one of the RSURFMODE_ values
-       rsurfmode_t mode;
 
        // rtlight rendering
        // light currently being rendered
-       rtlight_t *rtlight;
+       const rtlight_t *rtlight;
        // current light's cull box (copied out of an rtlight or calculated by GetLightInfo)
        vec3_t rtlight_cullmins;
        vec3_t rtlight_cullmaxs;
@@ -345,7 +347,6 @@ extern rsurfacestate_t rsurface;
 
 void RSurf_ActiveWorldEntity(void);
 void RSurf_ActiveModelEntity(const entity_render_t *ent, qboolean wantnormals, qboolean wanttangents);
-void RSurf_CleanUp(void);
 void RSurf_SetupDepthAndCulling(void);
 
 void R_Mesh_ResizeArrays(int newvertices);
@@ -372,27 +373,78 @@ rsurfacepass_t;
 
 typedef enum gl20_texunit_e
 {
+       // postprocess shaders, and generic shaders:
+       GL20TU_FIRST = 0,
+       GL20TU_SECOND = 1,
+       GL20TU_GAMMARAMPS = 2,
+       // standard material properties
        GL20TU_NORMAL = 0,
        GL20TU_COLOR = 1,
        GL20TU_GLOSS = 2,
        GL20TU_GLOW = 3,
+       // material properties for a second material
        GL20TU_SECONDARY_NORMAL = 4,
        GL20TU_SECONDARY_COLOR = 5,
        GL20TU_SECONDARY_GLOSS = 6,
        GL20TU_SECONDARY_GLOW = 7,
-       GL20TU_PANTS = 8,
-       GL20TU_SHIRT = 9,
-       GL20TU_FOGMASK = 10,
-       GL20TU_LIGHTMAP = 11,
-       GL20TU_DELUXEMAP = 12,
-       GL20TU_REFRACTION = 13,
-       GL20TU_REFLECTION = 14,
-       GL20TU_ATTENUATION = 3,
-       GL20TU_CUBE = 13,
+       // material properties for a colormapped material
+       // conflicts with secondary material
+       GL20TU_PANTS = 4,
+       GL20TU_SHIRT = 5,
+       // fog fade in the distance
+       GL20TU_FOGMASK = 8,
+       // compiled ambient lightmap and deluxemap
+       GL20TU_LIGHTMAP = 9,
+       GL20TU_DELUXEMAP = 10,
+       // refraction, used by water shaders
+       GL20TU_REFRACTION = 3,
+       // reflection, used by water shaders, also with normal material rendering
+       // conflicts with secondary material
+       GL20TU_REFLECTION = 7,
+       // rtlight attenuation (distance fade) and cubemap filter (projection texturing)
+       // conflicts with lightmap/deluxemap
+       GL20TU_ATTENUATION = 9,
+       GL20TU_CUBE = 10,
 }
 gl20_texunit;
 
-int R_SetupSurfaceShader(const vec3_t lightcolorbase, qboolean modellighting, float ambientscale, float diffusescale, float specularscale, rsurfacepass_t pass);
+void R_SetupGenericShader(qboolean usetexture);
+void R_SetupGenericTwoTextureShader(int texturemode);
+void R_SetupDepthOrShadowShader(void);
+void R_SetupSurfaceShader(const vec3_t lightcolorbase, qboolean modellighting, float ambientscale, float diffusescale, float specularscale, rsurfacepass_t rsurfacepass);
+
+typedef struct r_waterstate_waterplane_s
+{
+       rtexture_t *texture_refraction;
+       rtexture_t *texture_reflection;
+       mplane_t plane;
+       int materialflags; // combined flags of all water surfaces on this plane
+       unsigned char pvsbits[(32768+7)>>3]; // FIXME: buffer overflow on huge maps
+       qboolean pvsvalid;
+}
+r_waterstate_waterplane_t;
+
+#define MAX_WATERPLANES 16
+
+typedef struct r_waterstate_s
+{
+       qboolean enabled;
+
+       qboolean renderingscene; // true while rendering a refraction or reflection texture, disables water surfaces
+
+       int waterwidth, waterheight;
+       int texturewidth, textureheight;
+
+       int maxwaterplanes; // same as MAX_WATERPLANES
+       int numwaterplanes;
+       r_waterstate_waterplane_t waterplanes[MAX_WATERPLANES];
+
+       float screenscale[2];
+       float screencenter[2];
+}
+r_waterstate_t;
+
+extern r_waterstate_t r_waterstate;
 
 #endif