#include "quakedef.h"
-cvar_t r_render = {0, "r_render", "1"};
-cvar_t gl_dither = {CVAR_SAVE, "gl_dither", "1"}; // whether or not to use dithering
+//cvar_t gl_mesh_maxtriangles = {0, "gl_mesh_maxtriangles", "21760"};
+cvar_t gl_mesh_maxtriangles = {0, "gl_mesh_maxtriangles", "8192"};
+//cvar_t gl_mesh_batchtriangles = {0, "gl_mesh_batchtriangles", "1024"};
+cvar_t gl_mesh_batchtriangles = {0, "gl_mesh_batchtriangles", "0"};
+cvar_t gl_mesh_floatcolors = {0, "gl_mesh_floatcolors", "0"};
+
+cvar_t r_render = {0, "r_render", "1"};
+cvar_t gl_dither = {CVAR_SAVE, "gl_dither", "1"}; // whether or not to use dithering
+cvar_t gl_lockarrays = {0, "gl_lockarrays", "1"};
+
+#ifdef DEBUGGL
+int errornumber = 0;
+
+void GL_PrintError(int errornumber, char *filename, int linenumber)
+{
+ switch(errornumber)
+ {
+#ifdef GL_INVALID_ENUM
+ case GL_INVALID_ENUM:
+ Con_Printf("GL_INVALID_ENUM at %s:%i\n", filename, linenumber);
+ break;
+#endif
+#ifdef GL_INVALID_VALUE
+ case GL_INVALID_VALUE:
+ Con_Printf("GL_INVALID_VALUE at %s:%i\n", filename, linenumber);
+ break;
+#endif
+#ifdef GL_INVALID_OPERATION
+ case GL_INVALID_OPERATION:
+ Con_Printf("GL_INVALID_OPERATION at %s:%i\n", filename, linenumber);
+ break;
+#endif
+#ifdef GL_STACK_OVERFLOW
+ case GL_STACK_OVERFLOW:
+ Con_Printf("GL_STACK_OVERFLOW at %s:%i\n", filename, linenumber);
+ break;
+#endif
+#ifdef GL_STACK_UNDERFLOW
+ case GL_STACK_UNDERFLOW:
+ Con_Printf("GL_STACK_UNDERFLOW at %s:%i\n", filename, linenumber);
+ break;
+#endif
+#ifdef GL_OUT_OF_MEMORY
+ case GL_OUT_OF_MEMORY:
+ Con_Printf("GL_OUT_OF_MEMORY at %s:%i\n", filename, linenumber);
+ break;
+#endif
+#ifdef GL_TABLE_TOO_LARGE
+ case GL_TABLE_TOO_LARGE:
+ Con_Printf("GL_TABLE_TOO_LARGE at %s:%i\n", filename, linenumber);
+ break;
+#endif
+ default:
+ Con_Printf("GL UNKNOWN (%i) at %s:%i\n", errornumber, filename, linenumber);
+ break;
+ }
+}
+#endif
+
+float r_farclip, r_newfarclip;
+
+int polyindexarray[768];
+
+static float viewdist;
+
+int c_meshs, c_meshtris, c_transmeshs, c_transtris;
int lightscalebit;
float lightscale;
float overbrightscale;
void SCR_ScreenShot_f (void);
-static void R_Envmap_f (void);
static int max_meshs;
static int max_batch;
static int max_verts; // always max_meshs * 3
#define TRANSDEPTHRES 4096
-//static cvar_t gl_mesh_maxtriangles = {0, "gl_mesh_maxtriangles", "21760"};
-static cvar_t gl_mesh_maxtriangles = {0, "gl_mesh_maxtriangles", "8192"};
-static cvar_t gl_mesh_batchtriangles = {0, "gl_mesh_batchtriangles", "1024"};
-static cvar_t gl_mesh_floatcolors = {0, "gl_mesh_floatcolors", "0"};
-
typedef struct buf_mesh_s
{
int depthmask;
}
}
-float r_farclip, r_newfarclip;
-
static void gl_backend_newmap(void)
{
r_farclip = r_newfarclip = 2048.0f;
}
-int polyindexarray[768];
-
void gl_backend_init(void)
{
int i;
- Cvar_RegisterVariable (&r_render);
- Cvar_RegisterVariable (&gl_dither);
+ Cvar_RegisterVariable(&r_render);
+ Cvar_RegisterVariable(&gl_dither);
+ Cvar_RegisterVariable(&gl_lockarrays);
#ifdef NORENDER
Cvar_SetValue("r_render", 0);
#endif
- Cmd_AddCommand ("screenshot",SCR_ScreenShot_f);
- Cmd_AddCommand ("envmap", R_Envmap_f);
-
Cvar_RegisterVariable(&gl_mesh_maxtriangles);
Cvar_RegisterVariable(&gl_mesh_batchtriangles);
Cvar_RegisterVariable(&gl_mesh_floatcolors);
}
}
-static void MYgluPerspective(GLdouble fovx, GLdouble fovy, GLdouble aspect, GLdouble zNear, GLdouble zFar )
-{
- GLdouble xmax, ymax;
+int arraylocked = false;
- xmax = zNear * tan( fovx * M_PI / 360.0 ) * aspect;
- ymax = zNear * tan( fovy * M_PI / 360.0 );
+void GL_LockArray(int first, int count)
+{
+ if (!arraylocked && gl_supportslockarrays && gl_lockarrays.integer)
+ {
+ qglLockArraysEXT(first, count);
+ CHECKGLERROR
+ arraylocked = true;
+ }
+}
- glFrustum(-xmax, xmax, -ymax, ymax, zNear, zFar );
+void GL_UnlockArray(void)
+{
+ if (arraylocked)
+ {
+ qglUnlockArraysEXT();
+ CHECKGLERROR
+ arraylocked = false;
+ }
}
+//static float gldepthmin, gldepthmax;
/*
=============
*/
static void GL_SetupFrame (void)
{
+ double xmax, ymax;
+ double fovx, fovy, zNear, zFar, aspect;
+
+ // update farclip based on previous frame
+ r_farclip = r_newfarclip;
+
if (!r_render.integer)
return;
// glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); // LordHavoc: moved to SCR_UpdateScreen
- gldepthmin = 0;
- gldepthmax = 1;
- glDepthFunc (GL_LEQUAL);
-
- glDepthRange (gldepthmin, gldepthmax);
+// gldepthmin = 0;
+// gldepthmax = 1;
+ glDepthFunc (GL_LEQUAL);CHECKGLERROR
- // update farclip based on previous frame
- r_farclip = r_newfarclip;
+// glDepthRange (gldepthmin, gldepthmax);CHECKGLERROR
// set up viewpoint
- glMatrixMode(GL_PROJECTION);
- glLoadIdentity ();
+ glMatrixMode(GL_PROJECTION);CHECKGLERROR
+ glLoadIdentity ();CHECKGLERROR
// y is weird beause OpenGL is bottom to top, we use top to bottom
- glViewport(r_refdef.x, vid.realheight - (r_refdef.y + r_refdef.height), r_refdef.width, r_refdef.height);
-// yfov = 2*atan((float)r_refdef.height/r_refdef.width)*180/M_PI;
- MYgluPerspective (r_refdef.fov_x, r_refdef.fov_y, r_refdef.width/r_refdef.height, 4.0 / 3.0, r_farclip);
+ glViewport(r_refdef.x, vid.realheight - (r_refdef.y + r_refdef.height), r_refdef.width, r_refdef.height);CHECKGLERROR
- glCullFace(GL_FRONT);
+ // depth range
+ zNear = 1.0;
+ zFar = r_farclip;
- glMatrixMode(GL_MODELVIEW);
- glLoadIdentity ();
+ // fov angles
+ fovx = r_refdef.fov_x;
+ fovy = r_refdef.fov_y;
+ aspect = r_refdef.width / r_refdef.height;
- glRotatef (-90, 1, 0, 0); // put Z going up
- glRotatef (90, 0, 0, 1); // put Z going up
- glRotatef (-r_refdef.viewangles[2], 1, 0, 0);
- glRotatef (-r_refdef.viewangles[0], 0, 1, 0);
- glRotatef (-r_refdef.viewangles[1], 0, 0, 1);
- glTranslatef (-r_refdef.vieworg[0], -r_refdef.vieworg[1], -r_refdef.vieworg[2]);
+ // pyramid slopes
+ xmax = zNear * tan(fovx * M_PI / 360.0) * aspect;
+ ymax = zNear * tan(fovy * M_PI / 360.0);
+
+ // set view pyramid
+ glFrustum(-xmax, xmax, -ymax, ymax, zNear, zFar);CHECKGLERROR
+
+// glCullFace(GL_FRONT);CHECKGLERROR
+
+ glMatrixMode(GL_MODELVIEW);CHECKGLERROR
+ glLoadIdentity ();CHECKGLERROR
+
+ // put Z going up
+ glRotatef (-90, 1, 0, 0);CHECKGLERROR
+ glRotatef (90, 0, 0, 1);CHECKGLERROR
+ // camera rotation
+ glRotatef (-r_refdef.viewangles[2], 1, 0, 0);CHECKGLERROR
+ glRotatef (-r_refdef.viewangles[0], 0, 1, 0);CHECKGLERROR
+ glRotatef (-r_refdef.viewangles[1], 0, 0, 1);CHECKGLERROR
+ // camera location
+ glTranslatef (-r_refdef.vieworg[0], -r_refdef.vieworg[1], -r_refdef.vieworg[2]);CHECKGLERROR
// glGetFloatv (GL_MODELVIEW_MATRIX, r_world_matrix);
// set drawing parms
//
// if (gl_cull.integer)
- glEnable(GL_CULL_FACE);
+// {
+// glEnable(GL_CULL_FACE);CHECKGLERROR
+// }
// else
-// glDisable(GL_CULL_FACE);
+// {
+// glDisable(GL_CULL_FACE);CHECKGLERROR
+// }
- glEnable(GL_BLEND); // was Disable
- glEnable(GL_DEPTH_TEST);
- glDepthMask(1);
+// glEnable(GL_BLEND);CHECKGLERROR
+// glEnable(GL_DEPTH_TEST);CHECKGLERROR
+// glDepthMask(1);CHECKGLERROR
}
-static float viewdist;
-
-int c_meshs, c_meshtris, c_transmeshs, c_transtris;
+static int mesh_blendfunc1;
+static int mesh_blendfunc2;
+static int mesh_blend;
+static GLboolean mesh_depthmask;
+static int mesh_depthtest;
+static int mesh_unit;
+static int mesh_clientunit;
+static int mesh_texture[MAX_TEXTUREUNITS];
+static float mesh_texturergbscale[MAX_TEXTUREUNITS];
+
+void GL_SetupTextureState(void)
+{
+ int i;
+ if (backendunits > 1)
+ {
+ for (i = 0;i < backendunits;i++)
+ {
+ qglActiveTexture(GL_TEXTURE0_ARB + (mesh_unit = i));CHECKGLERROR
+ glBindTexture(GL_TEXTURE_2D, mesh_texture[i]);CHECKGLERROR
+ if (gl_combine.integer)
+ {
+ glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE_ARB);CHECKGLERROR
+ glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_RGB_ARB, GL_MODULATE);CHECKGLERROR
+ glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_RGB_ARB, GL_TEXTURE);CHECKGLERROR
+ glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_RGB_ARB, GL_PREVIOUS_ARB);CHECKGLERROR
+ glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE2_RGB_ARB, GL_CONSTANT_ARB);CHECKGLERROR
+ glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_RGB_ARB, GL_SRC_COLOR);CHECKGLERROR
+ glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND1_RGB_ARB, GL_SRC_COLOR);CHECKGLERROR
+ glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND2_RGB_ARB, GL_SRC_ALPHA);CHECKGLERROR
+ glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_ARB, GL_MODULATE);CHECKGLERROR
+ glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA_ARB, GL_TEXTURE);CHECKGLERROR
+ glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_ALPHA_ARB, GL_PREVIOUS_ARB);CHECKGLERROR
+ glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE2_ALPHA_ARB, GL_CONSTANT_ARB);CHECKGLERROR
+ glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_ALPHA_ARB, GL_SRC_ALPHA);CHECKGLERROR
+ glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND1_ALPHA_ARB, GL_SRC_ALPHA);CHECKGLERROR
+ glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND2_ALPHA_ARB, GL_SRC_ALPHA);CHECKGLERROR
+ glTexEnvf(GL_TEXTURE_ENV, GL_RGB_SCALE_ARB, mesh_texturergbscale[i]);CHECKGLERROR
+ glTexEnvf(GL_TEXTURE_ENV, GL_ALPHA_SCALE, 1.0f);CHECKGLERROR
+ }
+ else
+ {
+ glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);CHECKGLERROR
+ }
+ qglClientActiveTexture(GL_TEXTURE0_ARB + (mesh_clientunit = i));CHECKGLERROR
+ glTexCoordPointer(2, GL_FLOAT, sizeof(buf_texcoord_t), buf_texcoord[i]);CHECKGLERROR
+ if (mesh_texture[i])
+ {
+ glEnable(GL_TEXTURE_2D);CHECKGLERROR
+ glEnableClientState(GL_TEXTURE_COORD_ARRAY);CHECKGLERROR
+ }
+ else
+ {
+ glDisable(GL_TEXTURE_2D);CHECKGLERROR
+ glDisableClientState(GL_TEXTURE_COORD_ARRAY);CHECKGLERROR
+ }
+ }
+ }
+ else
+ {
+ glBindTexture(GL_TEXTURE_2D, mesh_texture[0]);CHECKGLERROR
+ glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);CHECKGLERROR
+ glTexCoordPointer(2, GL_FLOAT, sizeof(buf_texcoord_t), buf_texcoord[0]);CHECKGLERROR
+ if (mesh_texture[0])
+ {
+ glEnable(GL_TEXTURE_2D);CHECKGLERROR
+ glEnableClientState(GL_TEXTURE_COORD_ARRAY);CHECKGLERROR
+ }
+ else
+ {
+ glDisable(GL_TEXTURE_2D);CHECKGLERROR
+ glDisableClientState(GL_TEXTURE_COORD_ARRAY);CHECKGLERROR
+ }
+ }
+}
// called at beginning of frame
-void R_Mesh_Clear(void)
+void R_Mesh_Start(void)
{
+ int i;
if (!backendactive)
Sys_Error("R_Mesh_Clear: called when backend is not active\n");
+ CHECKGLERROR
+
gl_backend_bufferchanges(false);
currentmesh = 0;
c_transtris = 0;
GL_SetupFrame();
-}
-#ifdef DEBUGGL
-void GL_PrintError(int errornumber, char *filename, int linenumber)
-{
- switch(errornumber)
+ mesh_unit = 0;
+ mesh_clientunit = 0;
+
+ for (i = 0;i < backendunits;i++)
{
- case GL_INVALID_ENUM:
- Con_Printf("GL_INVALID_ENUM at %s:%i\n", filename, linenumber);
- break;
- case GL_INVALID_VALUE:
- Con_Printf("GL_INVALID_VALUE at %s:%i\n", filename, linenumber);
- break;
- case GL_INVALID_OPERATION:
- Con_Printf("GL_INVALID_OPERATION at %s:%i\n", filename, linenumber);
- break;
- case GL_STACK_OVERFLOW:
- Con_Printf("GL_STACK_OVERFLOW at %s:%i\n", filename, linenumber);
- break;
- case GL_STACK_UNDERFLOW:
- Con_Printf("GL_STACK_UNDERFLOW at %s:%i\n", filename, linenumber);
- break;
- case GL_OUT_OF_MEMORY:
- Con_Printf("GL_OUT_OF_MEMORY at %s:%i\n", filename, linenumber);
- break;
-#ifdef GL_TABLE_TOO_LARGE
- case GL_TABLE_TOO_LARGE:
- Con_Printf("GL_TABLE_TOO_LARGE at %s:%i\n", filename, linenumber);
- break;
-#endif
- default:
- Con_Printf("GL UNKNOWN (%i) at %s:%i\n", errornumber, filename, linenumber);
- break;
+ mesh_texture[i] = 0;
+ mesh_texturergbscale[i] = 1;
+ }
+
+ glEnable(GL_CULL_FACE);CHECKGLERROR
+ glCullFace(GL_FRONT);CHECKGLERROR
+
+ mesh_depthtest = true;
+ glEnable(GL_DEPTH_TEST);CHECKGLERROR
+
+ mesh_blendfunc1 = GL_ONE;
+ mesh_blendfunc2 = GL_ZERO;
+ glBlendFunc(mesh_blendfunc1, mesh_blendfunc2);CHECKGLERROR
+
+ mesh_blend = 0;
+ glDisable(GL_BLEND);CHECKGLERROR
+
+ mesh_depthmask = GL_TRUE;
+ glDepthMask(mesh_depthmask);CHECKGLERROR
+
+ glVertexPointer(3, GL_FLOAT, sizeof(buf_vertex_t), &buf_vertex[0].v[0]);CHECKGLERROR
+ glEnableClientState(GL_VERTEX_ARRAY);CHECKGLERROR
+ if (gl_mesh_floatcolors.integer)
+ {
+ glColorPointer(4, GL_FLOAT, sizeof(buf_fcolor_t), &buf_fcolor[0].c[0]);CHECKGLERROR
}
+ else
+ {
+ glColorPointer(4, GL_UNSIGNED_BYTE, sizeof(buf_bcolor_t), &buf_bcolor[0].c[0]);CHECKGLERROR
+ }
+ glEnableClientState(GL_COLOR_ARRAY);CHECKGLERROR
+
+ GL_SetupTextureState();
}
-int errornumber = 0;
-#endif
+int gl_backend_rebindtextures;
-// renders mesh buffers, called to flush buffers when full
-void R_Mesh_Render(void)
+void GL_UpdateFarclip(void)
{
- int i, k, blendfunc1, blendfunc2, blend, depthmask, depthtest, unit = 0, clientunit = 0, firsttriangle, endtriangle, indexcount, firstvert, endvert, texture[MAX_TEXTUREUNITS];
- float farclip, texturergbscale[MAX_TEXTUREUNITS];
- buf_mesh_t *mesh;
- unsigned int *index;
- // float to byte color conversion
- int *icolor;
- float *fcolor;
- qbyte *bcolor;
- if (!backendactive)
- Sys_Error("R_Mesh_Render: called when backend is not active\n");
- if (!currentmesh)
- return;
-
-CHECKGLERROR
+ int i;
+ float farclip;
// push out farclip based on vertices
+ // FIXME: wouldn't this be slow when using matrix transforms?
for (i = 0;i < currentvertex;i++)
{
farclip = DotProduct(buf_vertex[i].v, vpn);
// push out farclip for next frame
if (farclip > r_newfarclip)
r_newfarclip = ceil((farclip + 255) / 256) * 256 + 256;
+}
- for (i = 0;i < backendunits;i++)
- texturergbscale[i] = 1;
-
- glEnable(GL_CULL_FACE);
-CHECKGLERROR
- glCullFace(GL_FRONT);
-CHECKGLERROR
- depthtest = true;
- glEnable(GL_DEPTH_TEST);
-CHECKGLERROR
- blendfunc1 = GL_ONE;
- blendfunc2 = GL_ZERO;
- glBlendFunc(blendfunc1, blendfunc2);
-CHECKGLERROR
- blend = 0;
- glDisable(GL_BLEND);
-CHECKGLERROR
- depthmask = true;
- glDepthMask((GLboolean) depthmask);
-CHECKGLERROR
-
- glVertexPointer(3, GL_FLOAT, sizeof(buf_vertex_t), &buf_vertex[0].v[0]);
-CHECKGLERROR
- glEnableClientState(GL_VERTEX_ARRAY);
-CHECKGLERROR
- if (gl_mesh_floatcolors.integer)
+void GL_ConvertColorsFloatToByte(void)
+{
+ int i, k, *icolor;
+ float *fcolor;
+ qbyte *bcolor;
+
+ // shift float to have 8bit fraction at base of number
+ for (i = 0, fcolor = &buf_fcolor->c[0];i < currentvertex;i++)
{
- glColorPointer(4, GL_FLOAT, sizeof(buf_fcolor_t), &buf_fcolor[0].c[0]);
-CHECKGLERROR
+ *fcolor++ += 32768.0f;
+ *fcolor++ += 32768.0f;
+ *fcolor++ += 32768.0f;
+ *fcolor++ += 32768.0f;
}
- else
+ // then read as integer and kill float bits...
+ for (i = 0, icolor = (int *)&buf_fcolor->c[0], bcolor = &buf_bcolor->c[0];i < currentvertex;i++)
{
- // shift float to have 8bit fraction at base of number
- for (i = 0, fcolor = &buf_fcolor->c[0];i < currentvertex;i++)
- {
- *fcolor++ += 32768.0f;
- *fcolor++ += 32768.0f;
- *fcolor++ += 32768.0f;
- *fcolor++ += 32768.0f;
- }
- // then read as integer and kill float bits...
- for (i = 0, icolor = (int *)&buf_fcolor->c[0], bcolor = &buf_bcolor->c[0];i < currentvertex;i++)
- {
- k = (*icolor++) & 0x7FFFFF;*bcolor++ = k > 255 ? 255 : k;
- k = (*icolor++) & 0x7FFFFF;*bcolor++ = k > 255 ? 255 : k;
- k = (*icolor++) & 0x7FFFFF;*bcolor++ = k > 255 ? 255 : k;
- k = (*icolor++) & 0x7FFFFF;*bcolor++ = k > 255 ? 255 : k;
- }
- glColorPointer(4, GL_UNSIGNED_BYTE, sizeof(buf_bcolor_t), &buf_bcolor[0].c[0]);
-CHECKGLERROR
+ k = (*icolor++) & 0x7FFFFF;*bcolor++ = k > 255 ? 255 : k;
+ k = (*icolor++) & 0x7FFFFF;*bcolor++ = k > 255 ? 255 : k;
+ k = (*icolor++) & 0x7FFFFF;*bcolor++ = k > 255 ? 255 : k;
+ k = (*icolor++) & 0x7FFFFF;*bcolor++ = k > 255 ? 255 : k;
}
- glEnableClientState(GL_COLOR_ARRAY);
-CHECKGLERROR
+}
+void GL_MeshState(buf_mesh_t *mesh)
+{
+ int i;
if (backendunits > 1)
{
for (i = 0;i < backendunits;i++)
{
- qglActiveTexture(GL_TEXTURE0_ARB + (unit = i));
-CHECKGLERROR
- glBindTexture(GL_TEXTURE_2D, (texture[i] = 0));
-CHECKGLERROR
- glDisable(GL_TEXTURE_2D);
-CHECKGLERROR
- if (gl_combine.integer)
- {
- glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE_ARB);
-CHECKGLERROR
- glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_RGB_ARB, GL_MODULATE);
-CHECKGLERROR
- glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_RGB_ARB, GL_TEXTURE);
-CHECKGLERROR
- glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_RGB_ARB, GL_PREVIOUS_ARB);
-CHECKGLERROR
- glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE2_RGB_ARB, GL_CONSTANT_ARB);
-CHECKGLERROR
- glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_RGB_ARB, GL_SRC_COLOR);
-CHECKGLERROR
- glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND1_RGB_ARB, GL_SRC_COLOR);
-CHECKGLERROR
- glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND2_RGB_ARB, GL_SRC_ALPHA);
-CHECKGLERROR
- glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_ARB, GL_MODULATE);
-CHECKGLERROR
- glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA_ARB, GL_TEXTURE);
-CHECKGLERROR
- glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_ALPHA_ARB, GL_PREVIOUS_ARB);
-CHECKGLERROR
- glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE2_ALPHA_ARB, GL_CONSTANT_ARB);
-CHECKGLERROR
- glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_ALPHA_ARB, GL_SRC_ALPHA);
-CHECKGLERROR
- glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND1_ALPHA_ARB, GL_SRC_ALPHA);
-CHECKGLERROR
- glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND2_ALPHA_ARB, GL_SRC_ALPHA);
-CHECKGLERROR
- glTexEnvf(GL_TEXTURE_ENV, GL_RGB_SCALE_ARB, 1.0f);
-CHECKGLERROR
- glTexEnvf(GL_TEXTURE_ENV, GL_ALPHA_SCALE, 1.0f);
-CHECKGLERROR
- }
- else
- {
- glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
-CHECKGLERROR
- }
-
- qglClientActiveTexture(GL_TEXTURE0_ARB + (clientunit = i));
-CHECKGLERROR
- glTexCoordPointer(2, GL_FLOAT, sizeof(buf_texcoord_t), buf_texcoord[i]);
-CHECKGLERROR
- glEnableClientState(GL_TEXTURE_COORD_ARRAY);
-CHECKGLERROR
- }
- }
- else
- {
- glBindTexture(GL_TEXTURE_2D, (texture[0] = 0));
-CHECKGLERROR
- glDisable(GL_TEXTURE_2D);
-CHECKGLERROR
- glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
-CHECKGLERROR
-
- glTexCoordPointer(2, GL_FLOAT, sizeof(buf_texcoord_t), buf_texcoord[0]);
-CHECKGLERROR
- glEnableClientState(GL_TEXTURE_COORD_ARRAY);
-CHECKGLERROR
- }
-
- // lock as early as possible
- GL_LockArray(0, currentvertex);
-CHECKGLERROR
-
- for (k = 0, mesh = buf_mesh;k < currentmesh;k++, mesh++)
- {
- if (backendunits > 1)
- {
-// int topunit = 0;
- for (i = 0;i < backendunits;i++)
+ if (mesh_texture[i] != mesh->textures[i])
{
- if (texture[i] != mesh->textures[i])
+ if (mesh_unit != i)
{
- if (unit != i)
- {
- qglActiveTexture(GL_TEXTURE0_ARB + (unit = i));
-CHECKGLERROR
- }
- if (texture[i] == 0)
- {
- glEnable(GL_TEXTURE_2D);
-CHECKGLERROR
- // have to disable texcoord array on disabled texture
- // units due to NVIDIA driver bug with
- // compiled_vertex_array
- if (clientunit != i)
- {
- qglClientActiveTexture(GL_TEXTURE0_ARB + (clientunit = i));
-CHECKGLERROR
- }
- glEnableClientState(GL_TEXTURE_COORD_ARRAY);
-CHECKGLERROR
- }
- glBindTexture(GL_TEXTURE_2D, (texture[i] = mesh->textures[i]));
-CHECKGLERROR
- if (texture[i] == 0)
+ qglActiveTexture(GL_TEXTURE0_ARB + (mesh_unit = i));CHECKGLERROR
+ }
+ if (mesh_texture[i] == 0)
+ {
+ glEnable(GL_TEXTURE_2D);CHECKGLERROR
+ // have to disable texcoord array on disabled texture
+ // units due to NVIDIA driver bug with
+ // compiled_vertex_array
+ if (mesh_clientunit != i)
{
- glDisable(GL_TEXTURE_2D);
-CHECKGLERROR
- // have to disable texcoord array on disabled texture
- // units due to NVIDIA driver bug with
- // compiled_vertex_array
- if (clientunit != i)
- {
- qglClientActiveTexture(GL_TEXTURE0_ARB + (clientunit = i));
-CHECKGLERROR
- }
- glDisableClientState(GL_TEXTURE_COORD_ARRAY);
-CHECKGLERROR
+ qglClientActiveTexture(GL_TEXTURE0_ARB + (mesh_clientunit = i));CHECKGLERROR
}
+ glEnableClientState(GL_TEXTURE_COORD_ARRAY);CHECKGLERROR
}
- if (texturergbscale[i] != mesh->texturergbscale[i])
+ glBindTexture(GL_TEXTURE_2D, (mesh_texture[i] = mesh->textures[i]));CHECKGLERROR
+ if (mesh_texture[i] == 0)
{
- if (unit != i)
+ glDisable(GL_TEXTURE_2D);CHECKGLERROR
+ // have to disable texcoord array on disabled texture
+ // units due to NVIDIA driver bug with
+ // compiled_vertex_array
+ if (mesh_clientunit != i)
{
- qglActiveTexture(GL_TEXTURE0_ARB + (unit = i));
-CHECKGLERROR
+ qglClientActiveTexture(GL_TEXTURE0_ARB + (mesh_clientunit = i));CHECKGLERROR
}
- glTexEnvf(GL_TEXTURE_ENV, GL_RGB_SCALE_ARB, (texturergbscale[i] = mesh->texturergbscale[i]));
-CHECKGLERROR
+ glDisableClientState(GL_TEXTURE_COORD_ARRAY);CHECKGLERROR
}
-// if (texture[i])
-// topunit = i;
}
-// if (unit != topunit)
-// {
-// qglActiveTexture(GL_TEXTURE0_ARB + (unit = topunit));
-//CHECKGLERROR
-// }
- }
- else
- {
- if (texture[0] != mesh->textures[0])
+ if (mesh_texturergbscale[i] != mesh->texturergbscale[i])
{
- if (texture[0] == 0)
+ if (mesh_unit != i)
{
- glEnable(GL_TEXTURE_2D);
-CHECKGLERROR
- glEnableClientState(GL_TEXTURE_COORD_ARRAY);
-CHECKGLERROR
- }
- glBindTexture(GL_TEXTURE_2D, (texture[0] = mesh->textures[0]));
-CHECKGLERROR
- if (texture[0] == 0)
- {
- glDisable(GL_TEXTURE_2D);
-CHECKGLERROR
- glDisableClientState(GL_TEXTURE_COORD_ARRAY);
-CHECKGLERROR
+ qglActiveTexture(GL_TEXTURE0_ARB + (mesh_unit = i));CHECKGLERROR
}
+ glTexEnvf(GL_TEXTURE_ENV, GL_RGB_SCALE_ARB, (mesh_texturergbscale[i] = mesh->texturergbscale[i]));CHECKGLERROR
}
}
- if (blendfunc1 != mesh->blendfunc1 || blendfunc2 != mesh->blendfunc2)
+ }
+ else
+ {
+ if (mesh_texture[0] != mesh->textures[0])
{
- blendfunc1 = mesh->blendfunc1;
- blendfunc2 = mesh->blendfunc2;
- glBlendFunc(blendfunc1, blendfunc2);
-CHECKGLERROR
- if (blendfunc2 == GL_ZERO)
+ if (mesh_texture[0] == 0)
{
- if (blendfunc1 == GL_ONE)
- {
- if (blend)
- {
- blend = 0;
- glDisable(GL_BLEND);
-CHECKGLERROR
- }
- }
- else
+ glEnable(GL_TEXTURE_2D);CHECKGLERROR
+ glEnableClientState(GL_TEXTURE_COORD_ARRAY);CHECKGLERROR
+ }
+ glBindTexture(GL_TEXTURE_2D, (mesh_texture[0] = mesh->textures[0]));CHECKGLERROR
+ if (mesh_texture[0] == 0)
+ {
+ glDisable(GL_TEXTURE_2D);CHECKGLERROR
+ glDisableClientState(GL_TEXTURE_COORD_ARRAY);CHECKGLERROR
+ }
+ }
+ }
+ if (mesh_blendfunc1 != mesh->blendfunc1 || mesh_blendfunc2 != mesh->blendfunc2)
+ {
+ glBlendFunc(mesh_blendfunc1 = mesh->blendfunc1, mesh_blendfunc2 = mesh->blendfunc2);CHECKGLERROR
+ if (mesh_blendfunc2 == GL_ZERO)
+ {
+ if (mesh_blendfunc1 == GL_ONE)
+ {
+ if (mesh_blend)
{
- if (!blend)
- {
- blend = 1;
- glEnable(GL_BLEND);
-CHECKGLERROR
- }
+ mesh_blend = 0;
+ glDisable(GL_BLEND);CHECKGLERROR
}
}
else
{
- if (!blend)
+ if (!mesh_blend)
{
- blend = 1;
- glEnable(GL_BLEND);
-CHECKGLERROR
+ mesh_blend = 1;
+ glEnable(GL_BLEND);CHECKGLERROR
}
}
}
- if (depthtest != mesh->depthtest)
- {
- depthtest = mesh->depthtest;
- if (depthtest)
- glEnable(GL_DEPTH_TEST);
- else
- glDisable(GL_DEPTH_TEST);
- }
- if (depthmask != mesh->depthmask)
+ else
{
- depthmask = mesh->depthmask;
- glDepthMask((GLboolean) depthmask);
-CHECKGLERROR
+ if (!mesh_blend)
+ {
+ mesh_blend = 1;
+ glEnable(GL_BLEND);CHECKGLERROR
+ }
}
+ }
+ if (mesh_depthtest != mesh->depthtest)
+ {
+ mesh_depthtest = mesh->depthtest;
+ if (mesh_depthtest)
+ glEnable(GL_DEPTH_TEST);
+ else
+ glDisable(GL_DEPTH_TEST);
+ }
+ if (mesh_depthmask != mesh->depthmask)
+ {
+ glDepthMask(mesh_depthmask = mesh->depthmask);CHECKGLERROR
+ }
+}
+
+// renders mesh buffers, called to flush buffers when full
+void R_Mesh_Render(void)
+{
+ int i;
+ int k;
+ int indexcount;
+ int firstvert;
+ buf_mesh_t *mesh;
+ unsigned int *index;
- firsttriangle = mesh->firsttriangle;
- firstvert = mesh->firstvert;
- endtriangle = firsttriangle + mesh->triangles;
- endvert = firstvert + mesh->verts;
+ if (!backendactive)
+ Sys_Error("R_Mesh_Render: called when backend is not active\n");
- indexcount = (endtriangle - firsttriangle) * 3;
- index = (unsigned int *)&buf_tri[firsttriangle].index[0];
- for (i = 0;i < indexcount;i++)
- index[i] += firstvert;
+ if (!currentmesh)
+ return;
-#ifdef WIN32
- // FIXME: dynamic link to GL so we can get DrawRangeElements on WIN32
- glDrawElements(GL_TRIANGLES, indexcount, GL_UNSIGNED_INT, index);
-#else
- glDrawRangeElements(GL_TRIANGLES, firstvert, endvert, indexcount, GL_UNSIGNED_INT, index);
-#endif
-CHECKGLERROR
+ CHECKGLERROR
+
+ GL_UpdateFarclip();
+
+ if (!gl_mesh_floatcolors.integer)
+ GL_ConvertColorsFloatToByte();
+
+ // lock the arrays now that they will have no further modifications
+ //GL_LockArray(0, currentvertex);CHECKGLERROR
+ if (gl_backend_rebindtextures)
+ {
+ gl_backend_rebindtextures = false;
+ GL_SetupTextureState();
+ }
+
+ GL_MeshState(buf_mesh);
+ GL_LockArray(0, currentvertex);
+ #ifdef WIN32
+ // FIXME: dynamic link to GL so we can get DrawRangeElements on WIN32
+ glDrawElements(GL_TRIANGLES, buf_mesh->triangles * 3, GL_UNSIGNED_INT, (unsigned int *)&buf_tri[buf_mesh->firsttriangle].index[0]);CHECKGLERROR
+ #else
+ glDrawRangeElements(GL_TRIANGLES, buf_mesh->firstvert, buf_mesh->firstvert + buf_mesh->verts, buf_mesh->triangles * 3, GL_UNSIGNED_INT, (unsigned int *)&buf_tri[buf_mesh->firsttriangle].index[0]);CHECKGLERROR
+ #endif
+
+ if (currentmesh >= 2)
+ {
+ for (k = 1, mesh = buf_mesh + k;k < currentmesh;k++, mesh++)
+ {
+ GL_MeshState(mesh);
+
+ firstvert = mesh->firstvert;
+ indexcount = mesh->triangles * 3;
+ index = (unsigned int *)&buf_tri[mesh->firsttriangle].index[0];
+
+ // if not using batching, skip the index adjustment
+ if (firstvert != 0)
+ for (i = 0;i < indexcount;i++)
+ index[i] += firstvert;
+
+ #ifdef WIN32
+ // FIXME: dynamic link to GL so we can get DrawRangeElements on WIN32
+ glDrawElements(GL_TRIANGLES, indexcount, GL_UNSIGNED_INT, index);CHECKGLERROR
+ #else
+ glDrawRangeElements(GL_TRIANGLES, firstvert, firstvert + mesh->verts, indexcount, GL_UNSIGNED_INT, index);CHECKGLERROR
+ #endif
+ }
}
currentmesh = 0;
currenttriangle = 0;
currentvertex = 0;
- GL_UnlockArray();
-CHECKGLERROR
+ GL_UnlockArray();CHECKGLERROR
+}
+
+// restores backend state, used when done with 3D rendering
+void R_Mesh_Finish(void)
+{
+ int i;
+ // flush any queued meshs
+ R_Mesh_Render();
if (backendunits > 1)
{
for (i = backendunits - 1;i >= 0;i--)
{
- qglActiveTexture(GL_TEXTURE0_ARB + (unit = i));
-CHECKGLERROR
- glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
-CHECKGLERROR
+ qglActiveTexture(GL_TEXTURE0_ARB + i);CHECKGLERROR
+ glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);CHECKGLERROR
if (gl_combine.integer)
{
- glTexEnvf(GL_TEXTURE_ENV, GL_RGB_SCALE_ARB, 1.0f);
-CHECKGLERROR
+ glTexEnvf(GL_TEXTURE_ENV, GL_RGB_SCALE_ARB, 1.0f);CHECKGLERROR
}
if (i > 0)
{
- glDisable(GL_TEXTURE_2D);
-CHECKGLERROR
+ glDisable(GL_TEXTURE_2D);CHECKGLERROR
}
else
{
- glEnable(GL_TEXTURE_2D);
-CHECKGLERROR
+ glEnable(GL_TEXTURE_2D);CHECKGLERROR
}
- glBindTexture(GL_TEXTURE_2D, 0);
-CHECKGLERROR
+ glBindTexture(GL_TEXTURE_2D, 0);CHECKGLERROR
- qglClientActiveTexture(GL_TEXTURE0_ARB + (clientunit = i));
-CHECKGLERROR
- glDisableClientState(GL_TEXTURE_COORD_ARRAY);
-CHECKGLERROR
+ qglClientActiveTexture(GL_TEXTURE0_ARB + i);CHECKGLERROR
+ glDisableClientState(GL_TEXTURE_COORD_ARRAY);CHECKGLERROR
}
}
else
{
- glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
-CHECKGLERROR
- glEnable(GL_TEXTURE_2D);
-CHECKGLERROR
- glDisableClientState(GL_TEXTURE_COORD_ARRAY);
-CHECKGLERROR
+ glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);CHECKGLERROR
+ glEnable(GL_TEXTURE_2D);CHECKGLERROR
+ glDisableClientState(GL_TEXTURE_COORD_ARRAY);CHECKGLERROR
}
- glDisableClientState(GL_COLOR_ARRAY);
-CHECKGLERROR
- glDisableClientState(GL_VERTEX_ARRAY);
-CHECKGLERROR
-
- glDisable(GL_BLEND);
-CHECKGLERROR
- glEnable(GL_DEPTH_TEST);
-CHECKGLERROR
- glDepthMask(true);
-CHECKGLERROR
- glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
-CHECKGLERROR
+ glDisableClientState(GL_COLOR_ARRAY);CHECKGLERROR
+ glDisableClientState(GL_VERTEX_ARRAY);CHECKGLERROR
+
+ glDisable(GL_BLEND);CHECKGLERROR
+ glEnable(GL_DEPTH_TEST);CHECKGLERROR
+ glDepthMask(true);CHECKGLERROR
+ glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);CHECKGLERROR
+}
+
+void R_Mesh_ClearDepth(void)
+{
+ R_Mesh_AddTransparent();
+ R_Mesh_Finish();
+ glClear(GL_DEPTH_BUFFER_BIT);
+ R_Mesh_Start();
}
void R_Mesh_AddTransparent(void)
==============================================================================
*/
-float CalcFov (float fov_x, float width, float height);
-void R_ClearScreen(void);
-
-void SCR_ScreenShot(char *filename, int x, int y, int width, int height)
+qboolean SCR_ScreenShot(char *filename, int x, int y, int width, int height)
{
+ qboolean ret;
int i;
qbyte *buffer;
+ if (!r_render.integer)
+ return false;
+
buffer = Mem_Alloc(tempmempool, width*height*3);
glReadPixels (x, y, width, height, GL_RGB, GL_UNSIGNED_BYTE, buffer);
CHECKGLERROR
for (i = 0;i < width * height * 3;i++)
buffer[i] <<= v_overbrightbits.integer;
- Image_WriteTGARGB_preflipped(filename, width, height, buffer);
+ ret = Image_WriteTGARGB_preflipped(filename, width, height, buffer);
Mem_Free(buffer);
-}
-
-/*
-==================
-SCR_ScreenShot_f
-==================
-*/
-void SCR_ScreenShot_f (void)
-{
- int i;
- char filename[16];
- char checkname[MAX_OSPATH];
-//
-// find a file name to save it to
-//
- strcpy(filename, "dp0000.tga");
-
- for (i=0 ; i<=9999 ; i++)
- {
- filename[2] = (i/1000)%10 + '0';
- filename[3] = (i/ 100)%10 + '0';
- filename[4] = (i/ 10)%10 + '0';
- filename[5] = (i/ 1)%10 + '0';
- sprintf (checkname, "%s/%s", com_gamedir, filename);
- if (Sys_FileTime(checkname) == -1)
- break; // file doesn't exist
- }
- if (i==10000)
- {
- Con_Printf ("SCR_ScreenShot_f: Couldn't create a TGA file\n");
- return;
- }
-
- SCR_ScreenShot(filename, vid.realx, vid.realy, vid.realwidth, vid.realheight);
- Con_Printf ("Wrote %s\n", filename);
-}
-
-/*
-===============
-R_Envmap_f
-
-Grab six views for environment mapping tests
-===============
-*/
-struct
-{
- float angles[3];
- char *name;
-}
-envmapinfo[6] =
-{
- {{ 0, 0, 0}, "ft"},
- {{ 0, 90, 0}, "rt"},
- {{ 0, 180, 0}, "bk"},
- {{ 0, 270, 0}, "lf"},
- {{-90, 90, 0}, "up"},
- {{ 90, 90, 0}, "dn"}
-};
-static void R_Envmap_f (void)
-{
- int j, size;
- char filename[256], basename[256];
-
- if (Cmd_Argc() != 3)
- {
- Con_Printf ("envmap <basename> <size>: save out 6 cubic environment map images, usable with loadsky, note that size must one of 128, 256, 512, or 1024 and can't be bigger than your current resolution\n");
- return;
- }
-
- if (!r_render.integer)
- return;
-
- strcpy(basename, Cmd_Argv(1));
- size = atoi(Cmd_Argv(2));
- if (size != 128 && size != 256 && size != 512 && size != 1024)
- {
- Con_Printf("envmap: size must be one of 128, 256, 512, or 1024\n");
- return;
- }
- if (size > vid.realwidth || size > vid.realheight)
- {
- Con_Printf("envmap: your resolution is not big enough to render that size\n");
- return;
- }
-
- envmap = true;
-
- r_refdef.x = 0;
- r_refdef.y = 0;
- r_refdef.width = size;
- r_refdef.height = size;
-
- r_refdef.fov_x = 90;
- r_refdef.fov_y = 90;
-
- for (j = 0;j < 6;j++)
- {
- sprintf(filename, "env/%s%s.tga", basename, envmapinfo[j].name);
- VectorCopy(envmapinfo[j].angles, r_refdef.viewangles);
- R_ClearScreen();
- R_RenderView ();
- SCR_ScreenShot(filename, vid.realx, vid.realy, size, size);
- }
-
- envmap = false;
+ return ret;
}
//=============================================================================
{
if (r_render.integer)
{
- glClearColor(0,0,0,0);
- CHECKGLERROR
- glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); // LordHavoc: clear the screen (around the view as well)
- CHECKGLERROR
+ // clear to black
+ glClearColor(0,0,0,0);CHECKGLERROR
+ // clear the screen
+ glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);CHECKGLERROR
+ // set dithering mode
if (gl_dither.integer)
- glEnable(GL_DITHER);
+ {
+ glEnable(GL_DITHER);CHECKGLERROR
+ }
else
- glDisable(GL_DITHER);
- CHECKGLERROR
+ {
+ glDisable(GL_DITHER);CHECKGLERROR
+ }
}
}
//Mem_CheckSentinelsGlobal();
//R_TimeReport("memtest");
- glFinish ();
- CHECKGLERROR
-
VID_Finish ();
R_TimeReport("finish");
// draw 2D stuff
R_DrawQueue();
+
+ // tell driver to commit it's partially full geometry queue to the rendering queue
+ // (this doesn't wait for the commands themselves to complete)
+ glFlush();
}
projects / xonotic / darkplaces.git / blobdiff