cvar_t r_sky = {CVAR_SAVE, "r_sky", "1", "enables sky rendering (black otherwise)"};
cvar_t r_skyscroll1 = {CVAR_SAVE, "r_skyscroll1", "1", "speed at which upper clouds layer scrolls in quake sky"};
cvar_t r_skyscroll2 = {CVAR_SAVE, "r_skyscroll2", "2", "speed at which lower clouds layer scrolls in quake sky"};
-int skyrendernow;
+cvar_t r_sky_scissor = {0, "r_sky_scissor", "1", "limit rendering of sky to approximately the area of the sky surfaces"};
+int skyrenderlater;
int skyrendermasked;
+int skyscissor[4];
static int skyrendersphere;
static int skyrenderbox;
static rtexturepool_t *skytexturepool;
static char skyname[MAX_QPATH];
+static matrix4x4_t skymatrix;
+static matrix4x4_t skyinversematrix;
typedef struct suffixinfo_s
{
- char *suffix;
+ const char *suffix;
qboolean flipx, flipy, flipdiagonal;
}
suffixinfo_t;
-static suffixinfo_t suffix[3][6] =
+static const suffixinfo_t suffix[3][6] =
{
{
{"px", false, false, false},
}
};
-static rtexture_t *skyboxside[6];
+static skinframe_t *skyboxskinframe[6];
void R_SkyStartFrame(void)
{
- skyrendernow = false;
skyrendersphere = false;
skyrenderbox = false;
skyrendermasked = false;
- if (r_sky.integer && !r_refdef.fogenabled)
+ // for depth-masked sky, we need to know whether any sky was rendered
+ skyrenderlater = false;
+ // we can scissor the sky to just the relevant area
+ Vector4Clear(skyscissor);
+ if (r_sky.integer)
{
- if (skyboxside[0] || skyboxside[1] || skyboxside[2] || skyboxside[3] || skyboxside[4] || skyboxside[5])
+ if (skyboxskinframe[0] || skyboxskinframe[1] || skyboxskinframe[2] || skyboxskinframe[3] || skyboxskinframe[4] || skyboxskinframe[5])
skyrenderbox = true;
- else if (r_refdef.worldmodel && r_refdef.worldmodel->brush.solidskytexture)
+ else if (r_refdef.scene.worldmodel && r_refdef.scene.worldmodel->brush.solidskyskinframe)
skyrendersphere = true;
- // for depth-masked sky, render the sky on the first sky surface encountered
- skyrendernow = true;
skyrendermasked = true;
}
}
R_SetSkyBox
==================
*/
-void R_UnloadSkyBox(void)
+static void R_UnloadSkyBox(void)
{
int i;
+ int c = 0;
for (i = 0;i < 6;i++)
{
- if (skyboxside[i])
- R_FreeTexture(skyboxside[i]);
- skyboxside[i] = NULL;
+ if (skyboxskinframe[i])
+ {
+ // TODO: make a R_SkinFrame_Purge for single skins...
+ c++;
+ }
+ skyboxskinframe[i] = NULL;
}
+ if (c && developer_loading.integer)
+ Con_Printf("unloading skybox\n");
}
-int R_LoadSkyBox(void)
+static int R_LoadSkyBox(void)
{
int i, j, success;
int indices[4] = {0,1,2,3};
char name[MAX_INPUTLINE];
unsigned char *image_buffer;
unsigned char *temp;
+ char vabuf[1024];
R_UnloadSkyBox();
success = 0;
for (i=0; i<6; i++)
{
- if (dpsnprintf(name, sizeof(name), "%s_%s", skyname, suffix[j][i].suffix) < 0 || !(image_buffer = loadimagepixelsbgra(name, false, false)))
+ if (dpsnprintf(name, sizeof(name), "%s_%s", skyname, suffix[j][i].suffix) < 0 || !(image_buffer = loadimagepixelsbgra(name, false, false, false, NULL)))
{
- if (dpsnprintf(name, sizeof(name), "%s%s", skyname, suffix[j][i].suffix) < 0 || !(image_buffer = loadimagepixelsbgra(name, false, false)))
+ if (dpsnprintf(name, sizeof(name), "%s%s", skyname, suffix[j][i].suffix) < 0 || !(image_buffer = loadimagepixelsbgra(name, false, false, false, NULL)))
{
- if (dpsnprintf(name, sizeof(name), "env/%s%s", skyname, suffix[j][i].suffix) < 0 || !(image_buffer = loadimagepixelsbgra(name, false, false)))
+ if (dpsnprintf(name, sizeof(name), "env/%s%s", skyname, suffix[j][i].suffix) < 0 || !(image_buffer = loadimagepixelsbgra(name, false, false, false, NULL)))
{
- if (dpsnprintf(name, sizeof(name), "gfx/env/%s%s", skyname, suffix[j][i].suffix) < 0 || !(image_buffer = loadimagepixelsbgra(name, false, false)))
+ if (dpsnprintf(name, sizeof(name), "gfx/env/%s%s", skyname, suffix[j][i].suffix) < 0 || !(image_buffer = loadimagepixelsbgra(name, false, false, false, NULL)))
continue;
}
}
}
temp = (unsigned char *)Mem_Alloc(tempmempool, image_width*image_height*4);
Image_CopyMux (temp, image_buffer, image_width, image_height, suffix[j][i].flipx, suffix[j][i].flipy, suffix[j][i].flipdiagonal, 4, 4, indices);
- skyboxside[i] = R_LoadTexture2D(skytexturepool, va("skyboxside%d", i), image_width, image_height, temp, TEXTYPE_BGRA, TEXF_CLAMP | TEXF_PRECACHE | (gl_texturecompression_sky.integer ? TEXF_COMPRESS : 0), NULL);
+ skyboxskinframe[i] = R_SkinFrame_LoadInternalBGRA(va(vabuf, sizeof(vabuf), "skyboxside%d", i), TEXF_CLAMP | (gl_texturecompression_sky.integer ? TEXF_COMPRESS : 0), temp, image_width, image_height, 0, 0, 0, vid.sRGB3D);
Mem_Free(image_buffer);
Mem_Free(temp);
success++;
if (j == 3)
return false;
+ if (developer_loading.integer)
+ Con_Printf("loading skybox \"%s\"\n", name);
+
return true;
}
}
// LordHavoc: added LoadSky console command
-void LoadSky_f (void)
+static void LoadSky_f (void)
{
switch (Cmd_Argc())
{
}
}
-float skyboxvertex3f[6*4*3] =
+static const float skyboxvertex3f[6*4*3] =
{
// skyside[0]
16, -16, 16,
16, 16, -16
};
-float skyboxtexcoord2f[6*4*2] =
+static const float skyboxtexcoord2f[6*4*2] =
{
// skyside[0]
0, 1,
0, 0
};
-int skyboxelements[6*2*3] =
+static const int skyboxelement3i[6*2*3] =
+{
+ // skyside[3]
+ 0, 1, 2,
+ 0, 2, 3,
+ // skyside[1]
+ 4, 5, 6,
+ 4, 6, 7,
+ // skyside[0]
+ 8, 9, 10,
+ 8, 10, 11,
+ // skyside[2]
+ 12, 13, 14,
+ 12, 14, 15,
+ // skyside[4]
+ 16, 17, 18,
+ 16, 18, 19,
+ // skyside[5]
+ 20, 21, 22,
+ 20, 22, 23
+};
+
+static const unsigned short skyboxelement3s[6*2*3] =
{
// skyside[3]
0, 1, 2,
static void R_SkyBox(void)
{
int i;
- // FIXME: fixed function path can't properly handle r_view.colorscale > 1
- GL_Color(1 * r_view.colorscale, 1 * r_view.colorscale, 1 * r_view.colorscale, 1);
- GL_BlendFunc(GL_ONE, GL_ZERO);
- GL_CullFace(GL_NONE);
- GL_DepthMask(false);
- GL_DepthRange(0, 1);
- GL_PolygonOffset(0, 0);
- GL_DepthTest(false); // don't modify or read zbuffer
- R_Mesh_VertexPointer(skyboxvertex3f, 0, 0);
- R_Mesh_ColorPointer(NULL, 0, 0);
- R_Mesh_ResetTextureState();
- R_Mesh_TexCoordPointer(0, 2, skyboxtexcoord2f, 0, 0);
- GL_LockArrays(0, 6*4);
+ RSurf_ActiveCustomEntity(&skymatrix, &skyinversematrix, 0, 0, 1, 1, 1, 1, 6*4, skyboxvertex3f, skyboxtexcoord2f, NULL, NULL, NULL, NULL, 6*2, skyboxelement3i, skyboxelement3s, false, false);
for (i = 0;i < 6;i++)
- {
- R_Mesh_TexBind(0, R_GetTexture(skyboxside[i]));
- R_Mesh_Draw(0, 6*4, 2, skyboxelements + i * 6, 0, 0);
- }
- GL_LockArrays(0, 0);
+ if(skyboxskinframe[i])
+ R_DrawCustomSurface(skyboxskinframe[i], &identitymatrix, MATERIALFLAG_SKY | MATERIALFLAG_FULLBRIGHT | MATERIALFLAG_NOCULLFACE | MATERIALFLAG_NODEPTHTEST, i*4, 4, i*2, 2, false, false);
}
#define skygridx 32
static float skysphere_vertex3f[skysphere_numverts * 3];
static float skysphere_texcoord2f[skysphere_numverts * 2];
static int skysphere_element3i[skysphere_numtriangles * 3];
+static unsigned short skysphere_element3s[skysphere_numtriangles * 3];
static void skyspherecalc(void)
{
- int i, j, *e;
+ int i, j;
+ unsigned short *e;
float a, b, x, ax, ay, v[3], length, *vertex3f, *texcoord2f;
float dx, dy, dz;
- dx = 16;
- dy = 16;
- dz = 16 / 3;
+ dx = 16.0f;
+ dy = 16.0f;
+ dz = 16.0f / 3.0f;
vertex3f = skysphere_vertex3f;
texcoord2f = skysphere_texcoord2f;
for (j = 0;j <= skygridy;j++)
*vertex3f++ = v[2];
}
}
- e = skysphere_element3i;
+ e = skysphere_element3s;
for (j = 0;j < skygridy;j++)
{
for (i = 0;i < skygridx;i++)
*e++ = (j + 1) * skygridx1 + i;
}
}
+ for (i = 0;i < skysphere_numtriangles*3;i++)
+ skysphere_element3i[i] = skysphere_element3s[i];
}
static void R_SkySphere(void)
{
- float speedscale;
+ double speedscale;
static qboolean skysphereinitialized = false;
matrix4x4_t scroll1matrix, scroll2matrix;
if (!skysphereinitialized)
// wrap the scroll values just to be extra kind to float accuracy
// scroll speed for upper layer
- speedscale = r_refdef.time*r_skyscroll1.value*8.0/128.0;
- speedscale -= (int)speedscale;
+ speedscale = r_refdef.scene.time*r_skyscroll1.value*8.0/128.0;
+ speedscale -= floor(speedscale);
Matrix4x4_CreateTranslate(&scroll1matrix, speedscale, speedscale, 0);
// scroll speed for lower layer (transparent layer)
- speedscale = r_refdef.time*r_skyscroll2.value*8.0/128.0;
- speedscale -= (int)speedscale;
+ speedscale = r_refdef.scene.time*r_skyscroll2.value*8.0/128.0;
+ speedscale -= floor(speedscale);
Matrix4x4_CreateTranslate(&scroll2matrix, speedscale, speedscale, 0);
- // FIXME: fixed function path can't properly handle r_view.colorscale > 1
- GL_Color(1 * r_view.colorscale, 1 * r_view.colorscale, 1 * r_view.colorscale, 1);
- GL_BlendFunc(GL_ONE, GL_ZERO);
- GL_CullFace(GL_NONE);
- GL_DepthMask(true);
- GL_DepthRange(0, 1);
- GL_PolygonOffset(0, 0);
- GL_DepthTest(false); // don't modify or read zbuffer
- R_Mesh_VertexPointer(skysphere_vertex3f, 0, 0);
- R_Mesh_ColorPointer(NULL, 0, 0);
- R_Mesh_ResetTextureState();
- R_Mesh_TexBind(0, R_GetTexture(r_refdef.worldmodel->brush.solidskytexture));
- R_Mesh_TexCoordPointer(0, 2, skysphere_texcoord2f, 0, 0);
- R_Mesh_TexMatrix(0, &scroll1matrix);
- if (r_textureunits.integer >= 2 && r_view.colorscale == 1)
- {
- // one pass using GL_DECAL or GL_INTERPOLATE_ARB for alpha layer
- R_Mesh_TexBind(1, R_GetTexture(r_refdef.worldmodel->brush.alphaskytexture));
- R_Mesh_TexCombine(1, gl_combine.integer ? GL_INTERPOLATE_ARB : GL_DECAL, GL_MODULATE, 1, 1);
- R_Mesh_TexCoordPointer(1, 2, skysphere_texcoord2f, 0, 0);
- R_Mesh_TexMatrix(1, &scroll2matrix);
- GL_LockArrays(0, skysphere_numverts);
- R_Mesh_Draw(0, skysphere_numverts, skysphere_numtriangles, skysphere_element3i, 0, 0);
- GL_LockArrays(0, 0);
- }
- else
- {
- // two pass
- GL_LockArrays(0, skysphere_numverts);
- R_Mesh_Draw(0, skysphere_numverts, skysphere_numtriangles, skysphere_element3i, 0, 0);
-
- GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
- R_Mesh_TexBind(0, R_GetTexture(r_refdef.worldmodel->brush.alphaskytexture));
- R_Mesh_TexMatrix(0, &scroll2matrix);
- GL_LockArrays(0, skysphere_numverts);
- R_Mesh_Draw(0, skysphere_numverts, skysphere_numtriangles, skysphere_element3i, 0, 0);
- GL_LockArrays(0, 0);
- }
+ RSurf_ActiveCustomEntity(&skymatrix, &skyinversematrix, 0, 0, 1, 1, 1, 1, skysphere_numverts, skysphere_vertex3f, skysphere_texcoord2f, NULL, NULL, NULL, NULL, skysphere_numtriangles, skysphere_element3i, skysphere_element3s, false, false);
+ R_DrawCustomSurface(r_refdef.scene.worldmodel->brush.solidskyskinframe, &scroll1matrix, MATERIALFLAG_SKY | MATERIALFLAG_FULLBRIGHT | MATERIALFLAG_NOCULLFACE | MATERIALFLAG_NODEPTHTEST , 0, skysphere_numverts, 0, skysphere_numtriangles, false, false);
+ R_DrawCustomSurface(r_refdef.scene.worldmodel->brush.alphaskyskinframe, &scroll2matrix, MATERIALFLAG_SKY | MATERIALFLAG_FULLBRIGHT | MATERIALFLAG_NOCULLFACE | MATERIALFLAG_NODEPTHTEST | MATERIALFLAG_ALPHA | MATERIALFLAG_BLENDED, 0, skysphere_numverts, 0, skysphere_numtriangles, false, false);
}
void R_Sky(void)
{
- matrix4x4_t skymatrix;
- if (skyrendermasked)
+ Matrix4x4_CreateFromQuakeEntity(&skymatrix, r_refdef.view.origin[0], r_refdef.view.origin[1], r_refdef.view.origin[2], 0, 0, 0, r_refdef.farclip * (0.5f / 16.0f));
+ Matrix4x4_Invert_Simple(&skyinversematrix, &skymatrix);
+
+ if (r_sky_scissor.integer)
{
- Matrix4x4_CreateTranslate(&skymatrix, r_view.origin[0], r_view.origin[1], r_view.origin[2]);
- R_Mesh_Matrix(&skymatrix);
- if (skyrendersphere)
- {
- // this does not modify depth buffer
- R_SkySphere();
- }
- else if (skyrenderbox)
- {
- // this does not modify depth buffer
- R_SkyBox();
- }
- /* this will be skyroom someday
- else
- {
- // this modifies the depth buffer so we have to clear it afterward
- //R_SkyRoom();
- // clear the depthbuffer that was used while rendering the skyroom
- //GL_Clear(GL_DEPTH_BUFFER_BIT);
- }
- */
- GL_DepthRange(0, 1);
- GL_DepthTest(true);
- GL_DepthMask(true);
+ // if the scissor is empty just return
+ if (skyscissor[2] == 0 || skyscissor[3] == 0)
+ return;
+ GL_Scissor(skyscissor[0], skyscissor[1], skyscissor[2], skyscissor[3]);
+ GL_ScissorTest(true);
+ }
+ if (skyrendersphere)
+ {
+ // this does not modify depth buffer
+ R_SkySphere();
+ }
+ else if (skyrenderbox)
+ {
+ // this does not modify depth buffer
+ R_SkyBox();
+ }
+ /* this will be skyroom someday
+ else
+ {
+ // this modifies the depth buffer so we have to clear it afterward
+ //R_SkyRoom();
+ // clear the depthbuffer that was used while rendering the skyroom
+ //GL_Clear(GL_DEPTH_BUFFER_BIT);
}
+ */
+ GL_Scissor(0, 0, vid.width, vid.height);
}
//===============================================================
Cvar_RegisterVariable (&r_sky);
Cvar_RegisterVariable (&r_skyscroll1);
Cvar_RegisterVariable (&r_skyscroll2);
- memset(&skyboxside, 0, sizeof(skyboxside));
+ Cvar_RegisterVariable (&r_sky_scissor);
+ memset(&skyboxskinframe, 0, sizeof(skyboxskinframe));
skyname[0] = 0;
- R_RegisterModule("R_Sky", r_sky_start, r_sky_shutdown, r_sky_newmap);
+ R_RegisterModule("R_Sky", r_sky_start, r_sky_shutdown, r_sky_newmap, NULL, NULL);
}
projects / xonotic / darkplaces.git / blobdiff