*** empty log message ***

[xonotic/darkplaces.git] / gl_backend.c

diff --git a/gl_backend.c b/gl_backend.c
index fe474eac5b9183511ede900565a56e51e2236354..730ce44b3afc676af660e1ee58767442b3fcfd21 100644 (file)
--- a/gl_backend.c
+++ b/gl_backend.c
@@ -72,10 +72,6 @@ int c_meshs, c_meshelements;
 
 void SCR_ScreenShot_f (void);
 
-// these are externally accessible
-int r_lightmapscalebit;
-float r_colorscale;
-
 static matrix4x4_t backend_viewmatrix;
 static matrix4x4_t backend_modelmatrix;
 static matrix4x4_t backend_modelviewmatrix;
@@ -233,14 +229,17 @@ void GL_SetupView_Orientation_Identity (void)
        memset(&backend_modelmatrix, 0, sizeof(backend_modelmatrix));
 }
 
-void GL_SetupView_Orientation_FromEntity (vec3_t origin, vec3_t angles)
+void GL_SetupView_Orientation_FromEntity(matrix4x4_t *matrix)
 {
-       Matrix4x4_CreateRotate(&backend_viewmatrix, -90, 1, 0, 0);
-       Matrix4x4_ConcatRotate(&backend_viewmatrix, 90, 0, 0, 1);
-       Matrix4x4_ConcatRotate(&backend_viewmatrix, -angles[2], 1, 0, 0);
-       Matrix4x4_ConcatRotate(&backend_viewmatrix, -angles[0], 0, 1, 0);
-       Matrix4x4_ConcatRotate(&backend_viewmatrix, -angles[1], 0, 0, 1);
-       Matrix4x4_ConcatTranslate(&backend_viewmatrix, -origin[0], -origin[1], -origin[2]);
+       matrix4x4_t tempmatrix, basematrix;
+       Matrix4x4_Invert_Simple(&tempmatrix, matrix);
+       Matrix4x4_CreateRotate(&basematrix, -90, 1, 0, 0);
+       Matrix4x4_ConcatRotate(&basematrix, 90, 0, 0, 1);
+       Matrix4x4_Concat(&backend_viewmatrix, &basematrix, &tempmatrix);
+       //Matrix4x4_ConcatRotate(&backend_viewmatrix, -angles[2], 1, 0, 0);
+       //Matrix4x4_ConcatRotate(&backend_viewmatrix, -angles[0], 0, 1, 0);
+       //Matrix4x4_ConcatRotate(&backend_viewmatrix, -angles[1], 0, 0, 1);
+       //Matrix4x4_ConcatTranslate(&backend_viewmatrix, -origin[0], -origin[1], -origin[2]);
        memset(&backend_modelmatrix, 0, sizeof(backend_modelmatrix));
 }
 
@@ -345,6 +344,7 @@ static struct
        int blend;
        GLboolean depthmask;
        int depthtest;
+       int scissortest;
        int unit;
        int clientunit;
        gltextureunit_t units[MAX_TEXTUREUNITS];
@@ -606,6 +606,26 @@ void GL_LockArrays(int first, int count)
        }
 }
 
+void GL_Scissor (int x, int y, int width, int height)
+{
+       CHECKGLERROR
+       qglScissor(x, vid.realheight - (y + height),width,height);
+       CHECKGLERROR
+}
+
+void GL_ScissorTest(int state)
+{
+       if(gl_state.scissortest == state)
+               return;
+
+       CHECKGLERROR
+       if((gl_state.scissortest = state))
+               qglEnable(GL_SCISSOR_TEST);
+       else
+               qglDisable(GL_SCISSOR_TEST);
+       CHECKGLERROR
+}
+
 void GL_TransformToScreen(const vec4_t in, vec4_t out)
 {
        vec4_t temp;
@@ -919,7 +939,7 @@ void R_Mesh_State_Texture(const rmeshstate_t *m)
                {
                        GL_ActiveTexture(i);
                        unit->combinergb = combinergb;
-                       if (gl_combine.integer)
+                       if (gl_combine.integer) 
                        {
                                qglTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_RGB_ARB, unit->combinergb);CHECKGLERROR
                        }
@@ -983,6 +1003,19 @@ void R_Mesh_State_Texture(const rmeshstate_t *m)
        }
 }
 
+void R_Mesh_Draw_ShowTris(int numverts, int numtriangles, int *elements)
+{
+       qglBegin(GL_LINES);
+       for (;numtriangles;numtriangles--, elements += 3)
+       {
+               qglArrayElement(elements[0]);qglArrayElement(elements[1]);
+               qglArrayElement(elements[1]);qglArrayElement(elements[2]);
+               qglArrayElement(elements[2]);qglArrayElement(elements[0]);
+       }
+       qglEnd();
+       CHECKGLERROR
+}
+
 /*
 ==============================================================================
 
@@ -994,7 +1027,6 @@ void R_Mesh_State_Texture(const rmeshstate_t *m)
 qboolean SCR_ScreenShot(char *filename, int x, int y, int width, int height, qboolean jpeg)
 {
        qboolean ret;
-       int i, j;
        qbyte *buffer;
 
        if (!r_render.integer)
@@ -1004,16 +1036,6 @@ qboolean SCR_ScreenShot(char *filename, int x, int y, int width, int height, qbo
        qglReadPixels (x, y, width, height, GL_RGB, GL_UNSIGNED_BYTE, buffer);
        CHECKGLERROR
 
-       // LordHavoc: compensate for v_overbrightbits when using hardware gamma
-       if (v_hwgamma.integer)
-       {
-               for (i = 0;i < width * height * 3;i++)
-               {
-                       j = buffer[i] << v_overbrightbits.integer;
-                       buffer[i] = (qbyte) (bound(0, j, 255));
-               }
-       }
-
        if (jpeg)
                ret = JPEG_SaveImage_preflipped (filename, width, height, buffer);
        else
@@ -1078,14 +1100,6 @@ void SCR_UpdateScreen (void)
        if (gl_combine.integer && (!gl_combine_extension || r_textureunits.integer < 2))
                Cvar_SetValueQuick(&gl_combine, 0);
 
-       // lighting scale
-       r_colorscale = 1.0f / (float) (1 << v_overbrightbits.integer);
-
-       // lightmaps only
-       r_lightmapscalebit = v_overbrightbits.integer;
-       if (gl_combine.integer && r_textureunits.integer > 1)
-               r_lightmapscalebit += 2;
-
        R_TimeReport("setup");
 
        R_ClearScreen();
@@ -1122,6 +1136,7 @@ float varray_color4f[65536*4];
 float varray_texcoord2f[4][65536*2];
 float varray_texcoord3f[4][65536*3];
 float varray_normal3f[65536*3];
+int earray_element3i[65536];
 
 //===========================================================================
 // vertex array caching subsystem