]> de.git.xonotic.org Git - xonotic/darkplaces.git/blobdiff - vid_shared.c
Revert "Make cdda optional, server does not need to play music" because it
[xonotic/darkplaces.git] / vid_shared.c
index 7d8485c336cb7f091acf576d8f02054caf115ea2..719d6299c4b3c2d2ea696cab14cd6898e6e30f7a 100644 (file)
@@ -164,6 +164,12 @@ cvar_t vid_samples = {CVAR_SAVE, "vid_samples", "1", "how many anti-aliasing sam
 cvar_t vid_refreshrate = {CVAR_SAVE, "vid_refreshrate", "60", "refresh rate to use, in hz (higher values flicker less, if supported by your monitor)"};
 cvar_t vid_userefreshrate = {CVAR_SAVE, "vid_userefreshrate", "0", "set this to 1 to make vid_refreshrate used, or to 0 to let the engine choose a sane default"};
 cvar_t vid_stereobuffer = {CVAR_SAVE, "vid_stereobuffer", "0", "enables 'quad-buffered' stereo rendering for stereo shutterglasses, HMD (head mounted display) devices, or polarized stereo LCDs, if supported by your drivers"};
+// the density cvars are completely optional, set and use when something needs to have a density-independent size.
+// TODO: set them when changing resolution, setting them from the commandline will be independent from the resolution - use only if you have a native fixed resolution.
+// values for the Samsung Galaxy SIII, Snapdragon version: 2.000000 density, 304.799988 xdpi, 303.850464 ydpi
+cvar_t vid_touchscreen_density = {0, "vid_touchscreen_density", "2.0", "Standard quantized screen density multiplier (see Android documentation for DisplayMetrics), similar values are given on iPhoneOS"};
+cvar_t vid_touchscreen_xdpi = {0, "vid_touchscreen_xdpi", "300", "Horizontal DPI of the screen (only valid on Android currently)"};
+cvar_t vid_touchscreen_ydpi = {0, "vid_touchscreen_ydpi", "300", "Vertical DPI of the screen (only valid on Android currently)"};
 
 cvar_t vid_vsync = {CVAR_SAVE, "vid_vsync", "0", "sync to vertical blank, prevents 'tearing' (seeing part of one frame and part of another on the screen at the same time), automatically disabled when doing timedemo benchmarks"};
 cvar_t vid_mouse = {CVAR_SAVE, "vid_mouse", "1", "whether to use the mouse in windowed mode (fullscreen always does)"};
@@ -177,6 +183,8 @@ cvar_t vid_sRGB = {CVAR_SAVE, "vid_sRGB", "0", "if hardware is capable, modify r
 cvar_t vid_sRGB_fallback = {CVAR_SAVE, "vid_sRGB_fallback", "0", "do an approximate sRGB fallback if not properly supported by hardware (2: also use the fallback if framebuffer is 8bit, 3: always use the fallback even if sRGB is supported)"};
 
 cvar_t vid_touchscreen = {0, "vid_touchscreen", "0", "Use touchscreen-style input (no mouse grab, track mouse motion only while button is down, screen areas for mimicing joystick axes and buttons"};
+cvar_t vid_touchscreen_showkeyboard = {0, "vid_touchscreen_showkeyboard", "0", "shows the platform's screen keyboard for text entry, can be set by csqc or menu qc if it wants to receive text input, does nothing if the platform has no screen keyboard"};
+cvar_t vid_touchscreen_supportshowkeyboard = {CVAR_READONLY, "vid_touchscreen_supportshowkeyboard", "0", "indicates if the platform supports a virtual keyboard"};
 cvar_t vid_stick_mouse = {CVAR_SAVE, "vid_stick_mouse", "0", "have the mouse stuck in the center of the screen" };
 cvar_t vid_resizable = {CVAR_SAVE, "vid_resizable", "0", "0: window not resizable, 1: resizable, 2: window can be resized but the framebuffer isn't adjusted" };
 
@@ -507,6 +515,19 @@ void (GLAPIENTRY *qglGetQueryObjectivARB)(GLuint qid, GLenum pname, GLint *param
 void (GLAPIENTRY *qglGetQueryObjectuivARB)(GLuint qid, GLenum pname, GLuint *params);
 
 void (GLAPIENTRY *qglSampleCoverageARB)(GLclampf value, GLboolean invert);
+
+void (GLAPIENTRY *qglGetUniformIndices)(GLuint program, GLsizei uniformCount, const GLchar** uniformNames, GLuint* uniformIndices);
+void (GLAPIENTRY *qglGetActiveUniformsiv)(GLuint program, GLsizei uniformCount, const GLuint* uniformIndices, GLenum pname, GLint* params);
+void (GLAPIENTRY *qglGetActiveUniformName)(GLuint program, GLuint uniformIndex, GLsizei bufSize, GLsizei* length, GLchar* uniformName);
+GLuint (GLAPIENTRY *qglGetUniformBlockIndex)(GLuint program, const GLchar* uniformBlockName);
+void (GLAPIENTRY *qglGetActiveUniformBlockiv)(GLuint program, GLuint uniformBlockIndex, GLenum pname,  GLint* params);
+void (GLAPIENTRY *qglGetActiveUniformBlockName)(GLuint program, GLuint uniformBlockIndex, GLsizei bufSize, GLsizei* length, GLchar* uniformBlockName);
+void (GLAPIENTRY *qglBindBufferRange)(GLenum target, GLuint index, GLuint buffer, GLintptrARB offset, GLsizeiptrARB size);
+void (GLAPIENTRY *qglBindBufferBase)(GLenum target, GLuint index, GLuint buffer);
+void (GLAPIENTRY *qglGetIntegeri_v)(GLenum target, GLuint index, GLint* data);
+void (GLAPIENTRY *qglUniformBlockBinding)(GLuint program, GLuint uniformBlockIndex, GLuint uniformBlockBinding);
+
+void (GLAPIENTRY *qglBlendFuncSeparate)(GLenum sfactorRGB, GLenum dfactorRGB, GLenum sfactorAlpha, GLenum dfactorAlpha);
 #endif
 
 #if _MSC_VER >= 1400
@@ -865,6 +886,21 @@ static dllfunction_t vbofuncs[] =
        {NULL, NULL}
 };
 
+static dllfunction_t ubofuncs[] =
+{
+       {"glGetUniformIndices"        , (void **) &qglGetUniformIndices},
+       {"glGetActiveUniformsiv"      , (void **) &qglGetActiveUniformsiv},
+       {"glGetActiveUniformName"     , (void **) &qglGetActiveUniformName},
+       {"glGetUniformBlockIndex"     , (void **) &qglGetUniformBlockIndex},
+       {"glGetActiveUniformBlockiv"  , (void **) &qglGetActiveUniformBlockiv},
+       {"glGetActiveUniformBlockName", (void **) &qglGetActiveUniformBlockName},
+       {"glBindBufferRange"          , (void **) &qglBindBufferRange},
+       {"glBindBufferBase"           , (void **) &qglBindBufferBase},
+       {"glGetIntegeri_v"            , (void **) &qglGetIntegeri_v},
+       {"glUniformBlockBinding"      , (void **) &qglUniformBlockBinding},
+       {NULL, NULL}
+};
+
 static dllfunction_t arbfbofuncs[] =
 {
        {"glIsRenderbuffer"                      , (void **) &qglIsRenderbuffer},
@@ -948,6 +984,13 @@ static dllfunction_t multisamplefuncs[] =
        {"glSampleCoverageARB",          (void **) &qglSampleCoverageARB},
        {NULL, NULL}
 };
+
+static dllfunction_t blendfuncseparatefuncs[] =
+{
+       {"glBlendFuncSeparateEXT", (void **) &qglBlendFuncSeparate},
+       {NULL, NULL}
+};
+
 #endif
 
 void VID_ClearExtensions(void)
@@ -997,18 +1040,18 @@ void VID_CheckExtensions(void)
 
        if (vid.support.gl20shaders)
        {
-               // this one is purely optional, needed for GLSL 1.3 support (#version 130), so we don't even check the return value of GL_CheckExtension
-               vid.support.gl20shaders130 = GL_CheckExtension("glshaders130", glsl130funcs, "-noglsl130", true);
-               if(vid.support.gl20shaders130)
-               {
-                       char *s = (char *) qglGetString(GL_SHADING_LANGUAGE_VERSION);
-                       if(!s || atof(s) < 1.30 - 0.00001)
-                               vid.support.gl20shaders130 = 0;
-               }
-               if(vid.support.gl20shaders130)
-                       Con_DPrintf("Using GLSL 1.30\n");
-               else
-                       Con_DPrintf("Using GLSL 1.00\n");
+               char *s;
+               // detect what GLSL version is available, to enable features like r_glsl_skeletal and higher quality reliefmapping
+               vid.support.glshaderversion = 100;
+               s = (char *) qglGetString(GL_SHADING_LANGUAGE_VERSION);
+               if (s)
+                       vid.support.glshaderversion = (int)(atof(s) * 100.0f + 0.5f);
+               if (vid.support.glshaderversion < 100)
+                       vid.support.glshaderversion = 100;
+               Con_DPrintf("Detected GLSL #version %i\n", vid.support.glshaderversion);
+               // get the glBindFragDataLocation function
+               if (vid.support.glshaderversion >= 130)
+                       vid.support.gl20shaders130 = GL_CheckExtension("glshaders130", glsl130funcs, "-noglsl130", true);
        }
 
        // GL drivers generally prefer GL_BGRA
@@ -1029,9 +1072,11 @@ void VID_CheckExtensions(void)
        vid.support.arb_texture_non_power_of_two = GL_CheckExtension("GL_ARB_texture_non_power_of_two", NULL, "-notexturenonpoweroftwo", false);
 #endif
        vid.support.arb_vertex_buffer_object = GL_CheckExtension("GL_ARB_vertex_buffer_object", vbofuncs, "-novbo", false);
+       vid.support.arb_uniform_buffer_object = GL_CheckExtension("GL_ARB_uniform_buffer_object", ubofuncs, "-noubo", false);
        vid.support.ati_separate_stencil = GL_CheckExtension("separatestencil", gl2separatestencilfuncs, "-noseparatestencil", true) || GL_CheckExtension("GL_ATI_separate_stencil", atiseparatestencilfuncs, "-noseparatestencil", false);
        vid.support.ext_blend_minmax = GL_CheckExtension("GL_EXT_blend_minmax", blendequationfuncs, "-noblendminmax", false);
        vid.support.ext_blend_subtract = GL_CheckExtension("GL_EXT_blend_subtract", blendequationfuncs, "-noblendsubtract", false);
+       vid.support.ext_blend_func_separate = GL_CheckExtension("GL_EXT_blend_func_separate", blendfuncseparatefuncs, "-noblendfuncseparate", false);
        vid.support.ext_draw_range_elements = GL_CheckExtension("drawrangeelements", drawrangeelementsfuncs, "-nodrawrangeelements", true) || GL_CheckExtension("GL_EXT_draw_range_elements", drawrangeelementsextfuncs, "-nodrawrangeelements", false);
        vid.support.arb_framebuffer_object = GL_CheckExtension("GL_ARB_framebuffer_object", arbfbofuncs, "-nofbo", false);
        if (vid.support.arb_framebuffer_object)
@@ -1039,13 +1084,6 @@ void VID_CheckExtensions(void)
        else
                vid.support.ext_framebuffer_object = GL_CheckExtension("GL_EXT_framebuffer_object", extfbofuncs, "-nofbo", false);
 
-       // FIXME remove this workaround once FBO + npot texture mapping is fixed
-       if(!vid.support.arb_texture_non_power_of_two)
-       {
-               vid.support.arb_framebuffer_object = false;
-               vid.support.ext_framebuffer_object = false;
-       }
-
        vid.support.ext_packed_depth_stencil = GL_CheckExtension("GL_EXT_packed_depth_stencil", NULL, "-nopackeddepthstencil", false);
        vid.support.ext_stencil_two_side = GL_CheckExtension("GL_EXT_stencil_two_side", stenciltwosidefuncs, "-nostenciltwoside", false);
        vid.support.ext_texture_3d = GL_CheckExtension("GL_EXT_texture3D", texture3dextfuncs, "-notexture3d", false);
@@ -1719,10 +1757,15 @@ void VID_Shared_Init(void)
        Cvar_RegisterVariable(&vid_refreshrate);
        Cvar_RegisterVariable(&vid_userefreshrate);
        Cvar_RegisterVariable(&vid_stereobuffer);
+       Cvar_RegisterVariable(&vid_touchscreen_density);
+       Cvar_RegisterVariable(&vid_touchscreen_xdpi);
+       Cvar_RegisterVariable(&vid_touchscreen_ydpi);
        Cvar_RegisterVariable(&vid_vsync);
        Cvar_RegisterVariable(&vid_mouse);
        Cvar_RegisterVariable(&vid_grabkeyboard);
        Cvar_RegisterVariable(&vid_touchscreen);
+       Cvar_RegisterVariable(&vid_touchscreen_showkeyboard);
+       Cvar_RegisterVariable(&vid_touchscreen_supportshowkeyboard);
        Cvar_RegisterVariable(&vid_stick_mouse);
        Cvar_RegisterVariable(&vid_resizable);
        Cvar_RegisterVariable(&vid_minwidth);
@@ -1820,11 +1863,29 @@ static int VID_Mode(int fullscreen, int width, int height, int bpp, float refres
                vid.sRGB2D         = vid_sRGB.integer >= 1 && vid.sRGBcapable2D;
                vid.sRGB3D         = vid_sRGB.integer >= 1 && vid.sRGBcapable3D;
 
+               switch(vid.renderpath)
+               {
+               case RENDERPATH_GL11:
+               case RENDERPATH_GL13:
+               case RENDERPATH_GL20:
+#ifdef GL_STEREO
+                       {
+                               GLboolean stereo;
+                               qglGetBooleanv(GL_STEREO, &stereo);
+                               vid.stereobuffer = stereo != 0;
+                       }
+#endif
+                       break;
+               default:
+                       vid.stereobuffer = false;
+                       break;
+               }
+
                if(
                        (vid_sRGB_fallback.integer >= 3) // force fallback
                        ||
                        (vid_sRGB_fallback.integer >= 2 && // fallback if framebuffer is 8bit
-                               !(r_viewfbo.integer >= 2 && vid.support.ext_framebuffer_object && vid.samples < 2))
+                               !(r_viewfbo.integer >= 2 && vid.support.ext_framebuffer_object && vid.support.arb_texture_non_power_of_two && vid.samples < 2))
                )
                        vid.sRGB2D = vid.sRGB3D = false;
 
@@ -1840,7 +1901,13 @@ static int VID_Mode(int fullscreen, int width, int height, int bpp, float refres
                Cvar_SetValueQuick(&vid_samples, vid.mode.samples);
                if(vid_userefreshrate.integer)
                        Cvar_SetValueQuick(&vid_refreshrate, vid.mode.refreshrate);
-               Cvar_SetValueQuick(&vid_stereobuffer, vid.mode.stereobuffer);
+               Cvar_SetValueQuick(&vid_stereobuffer, vid.stereobuffer ? 1 : 0);
+
+               if (vid_touchscreen.integer)
+               {
+                       in_windowmouse_x = vid_width.value / 2.f;
+                       in_windowmouse_y = vid_height.value / 2.f;
+               }
 
                return true;
        }
@@ -1935,6 +2002,15 @@ void VID_Start(void)
 // COMMANDLINEOPTION: Video: -bpp <bits> performs +vid_bitsperpixel <bits> (example -bpp 32 or -bpp 16)
                if ((i = COM_CheckParm("-bpp")) != 0)
                        Cvar_SetQuick(&vid_bitsperpixel, com_argv[i+1]);
+// COMMANDLINEOPTION: Video: -density <multiplier> performs +vid_touchscreen_density <multiplier> (example -density 1 or -density 1.5)
+               if ((i = COM_CheckParm("-density")) != 0)
+                       Cvar_SetQuick(&vid_touchscreen_density, com_argv[i+1]);
+// COMMANDLINEOPTION: Video: -xdpi <dpi> performs +vid_touchscreen_xdpi <dpi> (example -xdpi 160 or -xdpi 320)
+               if ((i = COM_CheckParm("-touchscreen_xdpi")) != 0)
+                       Cvar_SetQuick(&vid_touchscreen_xdpi, com_argv[i+1]);
+// COMMANDLINEOPTION: Video: -ydpi <dpi> performs +vid_touchscreen_ydpi <dpi> (example -ydpi 160 or -ydpi 320)
+               if ((i = COM_CheckParm("-touchscreen_ydpi")) != 0)
+                       Cvar_SetQuick(&vid_touchscreen_ydpi, com_argv[i+1]);
        }
 
        success = VID_Mode(vid_fullscreen.integer, vid_width.integer, vid_height.integer, vid_bitsperpixel.integer, vid_refreshrate.value, vid_stereobuffer.integer, vid_samples.integer);
@@ -2051,13 +2127,6 @@ void VID_Soft_SharedSetup(void)
        vid.support.ext_draw_range_elements = true;
        vid.support.ext_framebuffer_object = true;
 
-       // FIXME remove this workaround once FBO + npot texture mapping is fixed
-       if(!vid.support.arb_texture_non_power_of_two)
-       {
-               vid.support.arb_framebuffer_object = false;
-               vid.support.ext_framebuffer_object = false;
-       }
-
        vid.support.ext_texture_3d = true;
        //vid.support.ext_texture_compression_s3tc = true;
        vid.support.ext_texture_filter_anisotropic = true;