// these are externally accessible
int r_lightmapscalebit;
float r_colorscale;
-GLfloat *varray_vertex, *varray_buf_vertex;
-GLfloat *varray_color, *varray_buf_color;
-GLfloat *varray_texcoord[MAX_TEXTUREUNITS], *varray_buf_texcoord[MAX_TEXTUREUNITS];
+GLfloat *varray_vertex3f, *varray_buf_vertex3f;
+GLfloat *varray_color4f, *varray_buf_color4f;
+GLfloat *varray_texcoord3f[MAX_TEXTUREUNITS], *varray_buf_texcoord3f[MAX_TEXTUREUNITS];
+GLfloat *varray_texcoord2f[MAX_TEXTUREUNITS], *varray_buf_texcoord2f[MAX_TEXTUREUNITS];
+static qbyte *varray_color4b, *varray_buf_color4b;
int mesh_maxverts;
int mesh_var;
float mesh_var_readfrequency;
float mesh_var_writefrequency;
float mesh_var_priority;
int varray_offset = 0, varray_offsetnext = 0;
-GLuint *varray_buf_elements;
+GLuint *varray_buf_elements3i;
int mesh_maxelements = 3072;
static matrix4x4_t backend_viewmatrix;
static matrix4x4_t backend_projectmatrix;
static int backendunits, backendactive;
-static GLubyte *varray_bcolor, *varray_buf_bcolor;
static mempool_t *gl_backend_mempool;
/*
void GL_Backend_AllocElementsArray(void)
{
- if (varray_buf_elements)
- Mem_Free(varray_buf_elements);
- varray_buf_elements = Mem_Alloc(gl_backend_mempool, mesh_maxelements * sizeof(GLuint));
+ if (varray_buf_elements3i)
+ Mem_Free(varray_buf_elements3i);
+ varray_buf_elements3i = Mem_Alloc(gl_backend_mempool, mesh_maxelements * sizeof(GLuint));
}
void GL_Backend_FreeElementArray(void)
{
- if (varray_buf_elements)
- Mem_Free(varray_buf_elements);
- varray_buf_elements = NULL;
+ if (varray_buf_elements3i)
+ Mem_Free(varray_buf_elements3i);
+ varray_buf_elements3i = NULL;
}
void GL_Backend_CheckCvars(void)
void GL_Backend_AllocArrays(void)
{
int i, size;
+ qbyte *data;
if (!gl_backend_mempool)
{
gl_backend_mempool = Mem_AllocPool("GL_Backend");
- varray_buf_vertex = NULL;
- varray_buf_color = NULL;
- varray_buf_bcolor = NULL;
- varray_buf_elements = NULL;
+ varray_buf_vertex3f = NULL;
+ varray_buf_color4f = NULL;
+ varray_buf_color4b = NULL;
+ varray_buf_elements3i = NULL;
for (i = 0;i < MAX_TEXTUREUNITS;i++)
- varray_buf_texcoord[i] = NULL;
+ varray_buf_texcoord3f[i] = varray_buf_texcoord2f[i] = NULL;
}
mesh_maxverts = gl_mesh_maxverts.integer;
mesh_var_writefrequency = gl_mesh_vertex_array_range_writefrequency.value;
mesh_var_priority = gl_mesh_vertex_array_range_priority.value;
- if (varray_buf_vertex)
- VID_FreeVertexArrays(varray_buf_vertex);
- varray_buf_vertex = NULL;
- varray_buf_color = NULL;
- varray_buf_bcolor = NULL;
+ if (varray_buf_vertex3f)
+ VID_FreeVertexArrays(varray_buf_vertex3f);
+ varray_buf_vertex3f = NULL;
+ varray_buf_color4f = NULL;
+ varray_buf_color4b = NULL;
for (i = 0;i < MAX_TEXTUREUNITS;i++)
- varray_buf_texcoord[i] = NULL;
+ varray_buf_texcoord3f[i] = varray_buf_texcoord2f[i] = NULL;
- size = mesh_maxverts * (sizeof(GLfloat[4]) + sizeof(GLfloat[4]) + sizeof(GLfloat[4]) * backendunits + sizeof(GLubyte[4]));
- varray_buf_vertex = VID_AllocVertexArrays(gl_backend_mempool, size, gl_mesh_vertex_array_range.integer, gl_mesh_vertex_array_range_readfrequency.value, gl_mesh_vertex_array_range_writefrequency.value, gl_mesh_vertex_array_range_priority.value);
- varray_buf_color = varray_buf_vertex + 4 * mesh_maxverts;
+ size = mesh_maxverts * (sizeof(float[3]) + sizeof(float[4]) + sizeof(qbyte[4]) + (sizeof(float[3]) + sizeof(float[2])) * backendunits);
+ data = VID_AllocVertexArrays(gl_backend_mempool, size, gl_mesh_vertex_array_range.integer, gl_mesh_vertex_array_range_readfrequency.value, gl_mesh_vertex_array_range_writefrequency.value, gl_mesh_vertex_array_range_priority.value);
+ varray_buf_vertex3f = (void *)data;data += sizeof(float[3]) * mesh_maxverts;
+ varray_buf_color4f = (void *)data;data += sizeof(float[4]) * mesh_maxverts;
for (i = 0;i < backendunits;i++)
- varray_buf_texcoord[i] = varray_buf_vertex + (i + 2) * 4 * mesh_maxverts;
+ {
+ varray_buf_texcoord3f[i] = (void *)data;data += sizeof(float[3]) * mesh_maxverts;
+ varray_buf_texcoord2f[i] = (void *)data;data += sizeof(float[2]) * mesh_maxverts;
+ }
for (;i < MAX_TEXTUREUNITS;i++)
- varray_buf_texcoord[i] = NULL;
- varray_buf_bcolor = (GLubyte *)(varray_buf_vertex + (backendunits + 2) * 4 * mesh_maxverts);
+ varray_buf_texcoord3f[i] = varray_buf_texcoord2f[i] = NULL;
+ varray_buf_color4b = (void *)data;data += sizeof(qbyte[4]) * mesh_maxverts;
GL_Backend_AllocElementsArray();
if (gl_support_var)
{
CHECKGLERROR
- qglVertexArrayRangeNV(size, varray_buf_vertex);
+ qglVertexArrayRangeNV(size, varray_buf_vertex3f);
CHECKGLERROR
qglEnableClientState(GL_VERTEX_ARRAY_RANGE_NV);
CHECKGLERROR
CHECKGLERROR
}
- if (varray_buf_vertex)
- VID_FreeVertexArrays(varray_buf_vertex);
- varray_buf_vertex = NULL;
- varray_buf_color = NULL;
- varray_buf_bcolor = NULL;
+ if (varray_buf_vertex3f)
+ VID_FreeVertexArrays(varray_buf_vertex3f);
+ varray_buf_vertex3f = NULL;
+ varray_buf_color4f = NULL;
+ varray_buf_color4b = NULL;
for (i = 0;i < MAX_TEXTUREUNITS;i++)
- varray_buf_texcoord[i] = NULL;
+ varray_buf_texcoord3f[i] = varray_buf_texcoord2f[i] = NULL;
+ varray_buf_elements3i = NULL;
Mem_FreePool(&gl_backend_mempool);
-
- varray_buf_elements = NULL;
}
static void gl_backend_start(void)
typedef struct gltextureunit_s
{
int t1d, t2d, t3d, tcubemap;
- int arrayenabled;
+ int arrayenabled, arrayis3d;
float rgbscale, alphascale;
int combinergb, combinealpha;
// FIXME: add more combine stuff
unit->combinergb = GL_MODULATE;
unit->combinealpha = GL_MODULATE;
unit->arrayenabled = false;
+ unit->arrayis3d = false;
qglDisableClientState(GL_TEXTURE_COORD_ARRAY);CHECKGLERROR
- if (gl_texture3d || gl_texturecubemap)
- {
- qglTexCoordPointer(3, GL_FLOAT, sizeof(float[4]), varray_buf_texcoord[i]);CHECKGLERROR
- }
- else
- {
- qglTexCoordPointer(2, GL_FLOAT, sizeof(float[4]), varray_buf_texcoord[i]);CHECKGLERROR
- }
+ qglTexCoordPointer(2, GL_FLOAT, sizeof(float[2]), varray_buf_texcoord2f[i]);CHECKGLERROR
qglDisable(GL_TEXTURE_1D);CHECKGLERROR
qglDisable(GL_TEXTURE_2D);CHECKGLERROR
if (gl_texture3d)
qglBlendFunc(gl_state.blendfunc1, gl_state.blendfunc2);CHECKGLERROR
qglDisable(GL_BLEND);CHECKGLERROR
qglDepthMask(gl_state.depthmask);CHECKGLERROR
- qglVertexPointer(3, GL_FLOAT, sizeof(GLfloat[4]), varray_buf_vertex);CHECKGLERROR
+ qglVertexPointer(3, GL_FLOAT, sizeof(float[3]), varray_buf_vertex3f);CHECKGLERROR
qglEnableClientState(GL_VERTEX_ARRAY);CHECKGLERROR
if (gl_mesh_floatcolors.integer)
{
- qglColorPointer(4, GL_FLOAT, sizeof(GLfloat[4]), varray_buf_color);CHECKGLERROR
+ qglColorPointer(4, GL_FLOAT, sizeof(float[4]), varray_buf_color4f);CHECKGLERROR
}
else
{
- qglColorPointer(4, GL_UNSIGNED_BYTE, sizeof(GLubyte[4]), varray_buf_bcolor);CHECKGLERROR
+ qglColorPointer(4, GL_UNSIGNED_BYTE, sizeof(qbyte[4]), varray_buf_color4b);CHECKGLERROR
}
GL_Color(1, 1, 1, 1);
total = numverts * 4;
// shift float to have 8bit fraction at base of number
- fcolor = varray_buf_color;
+ fcolor = varray_buf_color4f;
for (i = 0;i < total;)
{
fcolor[i ] += 32768.0f;
}
// then read as integer and kill float bits...
- icolor = (int *)varray_buf_color;
- bcolor = varray_buf_bcolor;
+ icolor = (int *)varray_buf_color4f;
+ bcolor = varray_buf_color4b;
for (i = 0;i < total;)
{
k = icolor[i ] & 0x7FFFFF;if (k > 255) k = 255;bcolor[i ] = (GLubyte) k;
{
int i;
for (i = 0;i < numelements;i++)
- varray_buf_elements[i] = in[i] + offset;
+ varray_buf_elements3i[i] = in[i] + offset;
}
// gets geometry space for a mesh
//if (!mesh_var)
// varray_offset = rand() % (mesh_maxverts - numverts);
- varray_vertex = varray_buf_vertex + varray_offset * 4;
- varray_color = varray_buf_color + varray_offset * 4;
- varray_bcolor = varray_buf_bcolor + varray_offset * 4;
+ varray_vertex3f = varray_buf_vertex3f + varray_offset * 3;
+ varray_color4f = varray_buf_color4f + varray_offset * 4;
+ varray_color4b = varray_buf_color4b + varray_offset * 4;
for (i = 0;i < backendunits;i++)
- varray_texcoord[i] = varray_buf_texcoord[i] + varray_offset * 4;
+ {
+ varray_texcoord3f[i] = varray_buf_texcoord3f[i] + varray_offset * 3;
+ varray_texcoord2f[i] = varray_buf_texcoord2f[i] + varray_offset * 2;
+ }
varray_offsetnext = varray_offset + numverts;
}
CHECKGLERROR
if (gl_mesh_drawrangeelements.integer && qglDrawRangeElements != NULL)
{
- qglDrawRangeElements(GL_TRIANGLES, varray_offset, varray_offset + numverts, numelements, GL_UNSIGNED_INT, (const GLuint *) varray_buf_elements);
+ qglDrawRangeElements(GL_TRIANGLES, varray_offset, varray_offset + numverts, numelements, GL_UNSIGNED_INT, (const GLuint *) varray_buf_elements3i);
CHECKGLERROR
}
else
{
- qglDrawElements(GL_TRIANGLES, numelements, GL_UNSIGNED_INT, (const GLuint *) varray_buf_elements);
+ qglDrawElements(GL_TRIANGLES, numelements, GL_UNSIGNED_INT, (const GLuint *) varray_buf_elements3i);
CHECKGLERROR
}
qglUnlockArraysEXT();
}
else
{
- qglDrawElements(GL_TRIANGLES, numelements, GL_UNSIGNED_INT, (const GLuint *) varray_buf_elements);
+ qglDrawElements(GL_TRIANGLES, numelements, GL_UNSIGNED_INT, (const GLuint *) varray_buf_elements3i);
CHECKGLERROR
}
}
unit = gl_state.units + i;
if (unit->t1d != m->tex1d[i] || unit->t2d != m->tex[i] || unit->t3d != m->tex3d[i] || unit->tcubemap != m->texcubemap[i])
{
- if (gl_state.unit != i)
+ if (m->tex3d[i] || m->texcubemap[i])
{
- qglActiveTexture(GL_TEXTURE0_ARB + (gl_state.unit = i));CHECKGLERROR
+ if (!unit->arrayis3d)
+ {
+ unit->arrayis3d = true;
+ if (gl_state.clientunit != i)
+ {
+ qglClientActiveTexture(GL_TEXTURE0_ARB + (gl_state.clientunit = i));CHECKGLERROR
+ }
+ qglTexCoordPointer(3, GL_FLOAT, sizeof(float[3]), varray_buf_texcoord3f[i]);
+ }
+ if (!unit->arrayenabled)
+ {
+ unit->arrayenabled = true;
+ if (gl_state.clientunit != i)
+ {
+ qglClientActiveTexture(GL_TEXTURE0_ARB + (gl_state.clientunit = i));CHECKGLERROR
+ }
+ qglEnableClientState(GL_TEXTURE_COORD_ARRAY);CHECKGLERROR
+ }
}
- if (m->tex1d[i] || m->tex[i] || m->tex3d[i] || m->texcubemap[i])
+ else if (m->tex1d[i] || m->tex[i])
{
+ if (unit->arrayis3d)
+ {
+ unit->arrayis3d = false;
+ if (gl_state.clientunit != i)
+ {
+ qglClientActiveTexture(GL_TEXTURE0_ARB + (gl_state.clientunit = i));CHECKGLERROR
+ }
+ qglTexCoordPointer(2, GL_FLOAT, sizeof(float[2]), varray_buf_texcoord2f[i]);
+ }
if (!unit->arrayenabled)
{
unit->arrayenabled = true;
qglDisableClientState(GL_TEXTURE_COORD_ARRAY);CHECKGLERROR
}
}
- combinergb = m->texcombinergb[i];
- combinealpha = m->texcombinealpha[i];
- if (!combinergb)
- combinergb = GL_MODULATE;
- if (!combinealpha)
- combinealpha = GL_MODULATE;
- if (unit->combinergb != combinergb)
- {
- unit->combinergb = combinergb;
- if (gl_combine.integer)
- {
- qglTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_RGB_ARB, unit->combinergb);CHECKGLERROR
- }
- else
- {
- qglTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, unit->combinergb);CHECKGLERROR
- }
- }
- if (unit->combinealpha != combinealpha)
+ if (unit->t1d != m->tex1d[i])
{
- unit->combinealpha = combinealpha;
- if (gl_combine.integer)
+ if (gl_state.unit != i)
{
- qglTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_ARB, unit->combinealpha);CHECKGLERROR
+ qglActiveTexture(GL_TEXTURE0_ARB + (gl_state.unit = i));CHECKGLERROR
}
- }
- if (unit->t1d != m->tex1d[i])
- {
if (m->tex1d[i])
{
if (unit->t1d == 0)
}
if (unit->t2d != m->tex[i])
{
+ if (gl_state.unit != i)
+ {
+ qglActiveTexture(GL_TEXTURE0_ARB + (gl_state.unit = i));CHECKGLERROR
+ }
if (m->tex[i])
{
if (unit->t2d == 0)
}
if (unit->t3d != m->tex3d[i])
{
+ if (gl_state.unit != i)
+ {
+ qglActiveTexture(GL_TEXTURE0_ARB + (gl_state.unit = i));CHECKGLERROR
+ }
if (m->tex3d[i])
{
if (unit->t3d == 0)
}
if (unit->tcubemap != m->texcubemap[i])
{
+ if (gl_state.unit != i)
+ {
+ qglActiveTexture(GL_TEXTURE0_ARB + (gl_state.unit = i));CHECKGLERROR
+ }
if (m->texcubemap[i])
{
if (unit->tcubemap == 0)
qglBindTexture(GL_TEXTURE_CUBE_MAP_ARB, (unit->tcubemap = m->texcubemap[i]));CHECKGLERROR
}
}
+ combinergb = m->texcombinergb[i];
+ if (!combinergb)
+ combinergb = GL_MODULATE;
+ if (unit->combinergb != combinergb)
+ {
+ if (gl_state.unit != i)
+ {
+ qglActiveTexture(GL_TEXTURE0_ARB + (gl_state.unit = i));CHECKGLERROR
+ }
+ unit->combinergb = combinergb;
+ if (gl_combine.integer)
+ {
+ qglTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_RGB_ARB, unit->combinergb);CHECKGLERROR
+ }
+ else
+ {
+ qglTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, unit->combinergb);CHECKGLERROR
+ }
+ }
+ combinealpha = m->texcombinealpha[i];
+ if (!combinealpha)
+ combinealpha = GL_MODULATE;
+ if (unit->combinealpha != combinealpha)
+ {
+ if (gl_state.unit != i)
+ {
+ qglActiveTexture(GL_TEXTURE0_ARB + (gl_state.unit = i));CHECKGLERROR
+ }
+ unit->combinealpha = combinealpha;
+ if (gl_combine.integer)
+ {
+ qglTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_ARB, unit->combinealpha);CHECKGLERROR
+ }
+ }
scale = max(m->texrgbscale[i], 1);
if (gl_state.units[i].rgbscale != scale)
{
}
}
+// utility functions
+
+void R_Mesh_CopyVertex3f(const float *vertex3f, int numverts)
+{
+ if (mesh_var)
+ {
+ float *out = varray_vertex3f;
+ while (--numverts)
+ {
+ *out++ = *vertex3f++;
+ *out++ = *vertex3f++;
+ *out++ = *vertex3f++;
+ }
+ }
+ else
+ memcpy(varray_vertex3f, vertex3f, numverts * sizeof(float[3]));
+}
+
+void R_Mesh_CopyTexCoord2f(int tmu, const float *texcoord2f, int numverts)
+{
+ if (mesh_var)
+ {
+ float *out = varray_texcoord2f[tmu];
+ while (--numverts)
+ {
+ *out++ = *texcoord2f++;
+ *out++ = *texcoord2f++;
+ }
+ }
+ else
+ memcpy(varray_texcoord2f[tmu], texcoord2f, numverts * sizeof(float[2]));
+}
+
+void R_Mesh_CopyColor4f(const float *color4f, int numverts)
+{
+ if (mesh_var)
+ {
+ float *out = varray_color4f;
+ while (--numverts)
+ {
+ *out++ = *color4f++;
+ *out++ = *color4f++;
+ *out++ = *color4f++;
+ *out++ = *color4f++;
+ }
+ }
+ else
+ memcpy(varray_color4f, color4f, numverts * sizeof(float[4]));
+}
+
+