cvar_t r_waterwarp = {CVAR_SAVE, "r_waterwarp", "1", "warp view while underwater"};
cvar_t gl_polyblend = {CVAR_SAVE, "gl_polyblend", "1", "tints view while underwater, hurt, etc"};
cvar_t gl_dither = {CVAR_SAVE, "gl_dither", "1", "enables OpenGL dithering (16bit looks bad with this off)"};
-cvar_t gl_lockarrays = {0, "gl_lockarrays", "0", "enables use of glLockArraysEXT, may cause glitches with some broken drivers, and may be slower than normal"};
-cvar_t gl_lockarrays_minimumvertices = {0, "gl_lockarrays_minimumvertices", "1", "minimum number of vertices required for use of glLockArraysEXT, setting this too low may reduce performance"};
cvar_t gl_vbo = {CVAR_SAVE, "gl_vbo", "3", "make use of GL_ARB_vertex_buffer_object extension to store static geometry in video memory for faster rendering, 0 disables VBO allocation or use, 1 enables VBOs for vertex and triangle data, 2 only for vertex data, 3 for vertex data and triangle data of simple meshes (ones with only one surface)"};
cvar_t gl_fbo = {CVAR_SAVE, "gl_fbo", "1", "make use of GL_ARB_framebuffer_object extension to enable shadowmaps and other features using pixel formats different from the framebuffer"};
Cvar_RegisterVariable(&gl_polyblend);
Cvar_RegisterVariable(&v_flipped);
Cvar_RegisterVariable(&gl_dither);
- Cvar_RegisterVariable(&gl_lockarrays);
- Cvar_RegisterVariable(&gl_lockarrays_minimumvertices);
Cvar_RegisterVariable(&gl_vbo);
Cvar_RegisterVariable(&gl_paranoid);
Cvar_RegisterVariable(&gl_printcheckerror);
out[2] = v->z + (out[2] * iw + 1.0f) * v->depth * 0.5f;
}
-static void R_Viewport_ApplyNearClipPlane(r_viewport_t *v, float normalx, float normaly, float normalz, float dist)
+static void R_Viewport_ApplyNearClipPlaneFloatGL(const r_viewport_t *v, float *m, float normalx, float normaly, float normalz, float dist)
{
float q[4];
float d;
// as (sgn(clipPlane.x), sgn(clipPlane.y), 1, 1) and
// transform it into camera space by multiplying it
// by the inverse of the projection matrix
- q[0] = ((clipPlane[0] < 0.0f ? -1.0f : clipPlane[0] > 0.0f ? 1.0f : 0.0f) + v->m[8]) / v->m[0];
- q[1] = ((clipPlane[1] < 0.0f ? -1.0f : clipPlane[1] > 0.0f ? 1.0f : 0.0f) + v->m[9]) / v->m[5];
+ q[0] = ((clipPlane[0] < 0.0f ? -1.0f : clipPlane[0] > 0.0f ? 1.0f : 0.0f) + m[8]) / m[0];
+ q[1] = ((clipPlane[1] < 0.0f ? -1.0f : clipPlane[1] > 0.0f ? 1.0f : 0.0f) + m[9]) / m[5];
q[2] = -1.0f;
- q[3] = (1.0f + v->m[10]) / v->m[14];
+ q[3] = (1.0f + m[10]) / m[14];
// Calculate the scaled plane vector
d = 2.0f / DotProduct4(clipPlane, q);
// Replace the third row of the projection matrix
- v->m[2] = clipPlane[0] * d;
- v->m[6] = clipPlane[1] * d;
- v->m[10] = clipPlane[2] * d + 1.0f;
- v->m[14] = clipPlane[3] * d;
+ m[2] = clipPlane[0] * d;
+ m[6] = clipPlane[1] * d;
+ m[10] = clipPlane[2] * d + 1.0f;
+ m[14] = clipPlane[3] * d;
}
void R_Viewport_InitOrtho(r_viewport_t *v, const matrix4x4_t *cameramatrix, int x, int y, int width, int height, float x1, float y1, float x2, float y2, float nearclip, float farclip, const float *nearplane)
{
float left = x1, right = x2, bottom = y2, top = y1, zNear = nearclip, zFar = farclip;
+ float m[16];
memset(v, 0, sizeof(*v));
v->type = R_VIEWPORTTYPE_ORTHO;
v->cameramatrix = *cameramatrix;
v->width = width;
v->height = height;
v->depth = 1;
- v->m[0] = 2/(right - left);
- v->m[5] = 2/(top - bottom);
- v->m[10] = -2/(zFar - zNear);
- v->m[12] = - (right + left)/(right - left);
- v->m[13] = - (top + bottom)/(top - bottom);
- v->m[14] = - (zFar + zNear)/(zFar - zNear);
- v->m[15] = 1;
+ memset(m, 0, sizeof(m));
+ m[0] = 2/(right - left);
+ m[5] = 2/(top - bottom);
+ m[10] = -2/(zFar - zNear);
+ m[12] = - (right + left)/(right - left);
+ m[13] = - (top + bottom)/(top - bottom);
+ m[14] = - (zFar + zNear)/(zFar - zNear);
+ m[15] = 1;
v->screentodepth[0] = -farclip / (farclip - nearclip);
v->screentodepth[1] = farclip * nearclip / (farclip - nearclip);
Matrix4x4_Invert_Full(&v->viewmatrix, &v->cameramatrix);
- Matrix4x4_FromArrayFloatGL(&v->projectmatrix, v->m);
if (nearplane)
- R_Viewport_ApplyNearClipPlane(v, nearplane[0], nearplane[1], nearplane[2], nearplane[3]);
+ R_Viewport_ApplyNearClipPlaneFloatGL(v, m, nearplane[0], nearplane[1], nearplane[2], nearplane[3]);
+
+ Matrix4x4_FromArrayFloatGL(&v->projectmatrix, m);
#if 0
{
void R_Viewport_InitPerspective(r_viewport_t *v, const matrix4x4_t *cameramatrix, int x, int y, int width, int height, float frustumx, float frustumy, float nearclip, float farclip, const float *nearplane)
{
matrix4x4_t tempmatrix, basematrix;
+ float m[16];
memset(v, 0, sizeof(*v));
if(v_flipped.integer)
v->width = width;
v->height = height;
v->depth = 1;
- v->m[0] = 1.0 / frustumx;
- v->m[5] = 1.0 / frustumy;
- v->m[10] = -(farclip + nearclip) / (farclip - nearclip);
- v->m[11] = -1;
- v->m[14] = -2 * nearclip * farclip / (farclip - nearclip);
+ memset(m, 0, sizeof(m));
+ m[0] = 1.0 / frustumx;
+ m[5] = 1.0 / frustumy;
+ m[10] = -(farclip + nearclip) / (farclip - nearclip);
+ m[11] = -1;
+ m[14] = -2 * nearclip * farclip / (farclip - nearclip);
v->screentodepth[0] = -farclip / (farclip - nearclip);
v->screentodepth[1] = farclip * nearclip / (farclip - nearclip);
Matrix4x4_ConcatRotate(&basematrix, 90, 0, 0, 1);
Matrix4x4_Concat(&v->viewmatrix, &basematrix, &tempmatrix);
- Matrix4x4_FromArrayFloatGL(&v->projectmatrix, v->m);
-
if (nearplane)
- R_Viewport_ApplyNearClipPlane(v, nearplane[0], nearplane[1], nearplane[2], nearplane[3]);
+ R_Viewport_ApplyNearClipPlaneFloatGL(v, m, nearplane[0], nearplane[1], nearplane[2], nearplane[3]);
+
+ Matrix4x4_FromArrayFloatGL(&v->projectmatrix, m);
}
void R_Viewport_InitPerspectiveInfinite(r_viewport_t *v, const matrix4x4_t *cameramatrix, int x, int y, int width, int height, float frustumx, float frustumy, float nearclip, const float *nearplane)
{
matrix4x4_t tempmatrix, basematrix;
const float nudge = 1.0 - 1.0 / (1<<23);
+ float m[16];
memset(v, 0, sizeof(*v));
if(v_flipped.integer)
v->width = width;
v->height = height;
v->depth = 1;
- v->m[ 0] = 1.0 / frustumx;
- v->m[ 5] = 1.0 / frustumy;
- v->m[10] = -nudge;
- v->m[11] = -1;
- v->m[14] = -2 * nearclip * nudge;
- v->screentodepth[0] = (v->m[10] + 1) * 0.5 - 1;
- v->screentodepth[1] = v->m[14] * -0.5;
+ memset(m, 0, sizeof(m));
+ m[ 0] = 1.0 / frustumx;
+ m[ 5] = 1.0 / frustumy;
+ m[10] = -nudge;
+ m[11] = -1;
+ m[14] = -2 * nearclip * nudge;
+ v->screentodepth[0] = (m[10] + 1) * 0.5 - 1;
+ v->screentodepth[1] = m[14] * -0.5;
Matrix4x4_Invert_Full(&tempmatrix, &v->cameramatrix);
Matrix4x4_CreateRotate(&basematrix, -90, 1, 0, 0);
Matrix4x4_ConcatRotate(&basematrix, 90, 0, 0, 1);
Matrix4x4_Concat(&v->viewmatrix, &basematrix, &tempmatrix);
- Matrix4x4_FromArrayFloatGL(&v->projectmatrix, v->m);
-
if (nearplane)
- R_Viewport_ApplyNearClipPlane(v, nearplane[0], nearplane[1], nearplane[2], nearplane[3]);
+ R_Viewport_ApplyNearClipPlaneFloatGL(v, m, nearplane[0], nearplane[1], nearplane[2], nearplane[3]);
+
+ Matrix4x4_FromArrayFloatGL(&v->projectmatrix, m);
}
float cubeviewmatrix[6][16] =
void R_Viewport_InitCubeSideView(r_viewport_t *v, const matrix4x4_t *cameramatrix, int side, int size, float nearclip, float farclip, const float *nearplane)
{
matrix4x4_t tempmatrix, basematrix;
+ float m[16];
memset(v, 0, sizeof(*v));
v->type = R_VIEWPORTTYPE_PERSPECTIVECUBESIDE;
v->cameramatrix = *cameramatrix;
v->width = size;
v->height = size;
v->depth = 1;
- v->m[0] = v->m[5] = 1.0f;
- v->m[10] = -(farclip + nearclip) / (farclip - nearclip);
- v->m[11] = -1;
- v->m[14] = -2 * nearclip * farclip / (farclip - nearclip);
+ memset(m, 0, sizeof(m));
+ m[0] = m[5] = 1.0f;
+ m[10] = -(farclip + nearclip) / (farclip - nearclip);
+ m[11] = -1;
+ m[14] = -2 * nearclip * farclip / (farclip - nearclip);
Matrix4x4_FromArrayFloatGL(&basematrix, cubeviewmatrix[side]);
Matrix4x4_Invert_Simple(&tempmatrix, &v->cameramatrix);
Matrix4x4_Concat(&v->viewmatrix, &basematrix, &tempmatrix);
- Matrix4x4_FromArrayFloatGL(&v->projectmatrix, v->m);
if (nearplane)
- R_Viewport_ApplyNearClipPlane(v, nearplane[0], nearplane[1], nearplane[2], nearplane[3]);
+ R_Viewport_ApplyNearClipPlaneFloatGL(v, m, nearplane[0], nearplane[1], nearplane[2], nearplane[3]);
+
+ Matrix4x4_FromArrayFloatGL(&v->projectmatrix, m);
}
void R_Viewport_InitRectSideView(r_viewport_t *v, const matrix4x4_t *cameramatrix, int side, int size, int border, float nearclip, float farclip, const float *nearplane)
{
matrix4x4_t tempmatrix, basematrix;
+ float m[16];
memset(v, 0, sizeof(*v));
v->type = R_VIEWPORTTYPE_PERSPECTIVECUBESIDE;
v->cameramatrix = *cameramatrix;
v->width = size;
v->height = size;
v->depth = 1;
- v->m[0] = v->m[5] = 1.0f * ((float)size - border) / size;
- v->m[10] = -(farclip + nearclip) / (farclip - nearclip);
- v->m[11] = -1;
- v->m[14] = -2 * nearclip * farclip / (farclip - nearclip);
+ memset(m, 0, sizeof(m));
+ m[0] = m[5] = 1.0f * ((float)size - border) / size;
+ m[10] = -(farclip + nearclip) / (farclip - nearclip);
+ m[11] = -1;
+ m[14] = -2 * nearclip * farclip / (farclip - nearclip);
Matrix4x4_FromArrayFloatGL(&basematrix, rectviewmatrix[side]);
Matrix4x4_Invert_Simple(&tempmatrix, &v->cameramatrix);
Matrix4x4_Concat(&v->viewmatrix, &basematrix, &tempmatrix);
- Matrix4x4_FromArrayFloatGL(&v->projectmatrix, v->m);
if (nearplane)
- R_Viewport_ApplyNearClipPlane(v, nearplane[0], nearplane[1], nearplane[2], nearplane[3]);
+ R_Viewport_ApplyNearClipPlaneFloatGL(v, m, nearplane[0], nearplane[1], nearplane[2], nearplane[3]);
+
+ Matrix4x4_FromArrayFloatGL(&v->projectmatrix, m);
}
void R_SetViewport(const r_viewport_t *v)
{
+ float m[16];
gl_viewport = *v;
CHECKGLERROR
case RENDERPATH_GL11:
// Load the projection matrix into OpenGL
qglMatrixMode(GL_PROJECTION);CHECKGLERROR
- qglLoadMatrixf(gl_viewport.m);CHECKGLERROR
+ Matrix4x4_ToArrayFloatGL(&gl_projectionmatrix, m);
+ qglLoadMatrixf(m);CHECKGLERROR
qglMatrixMode(GL_MODELVIEW);CHECKGLERROR
break;
}
gl_state.unit = MAX_TEXTUREUNITS;
gl_state.clientunit = MAX_TEXTUREUNITS;
- for (i = 0;i < vid.teximageunits;i++)
+ switch(vid.renderpath)
{
- GL_ActiveTexture(i);
- qglBindTexture(GL_TEXTURE_2D, 0);CHECKGLERROR
- if (vid.support.ext_texture_3d)
- {
- qglBindTexture(GL_TEXTURE_3D, 0);CHECKGLERROR
- }
- if (vid.support.arb_texture_cube_map)
- {
- qglBindTexture(GL_TEXTURE_CUBE_MAP_ARB, 0);CHECKGLERROR
- }
- if (vid.support.arb_texture_rectangle)
+ case RENDERPATH_GL20:
+ case RENDERPATH_CGGL:
+ for (i = 0;i < vid.teximageunits;i++)
{
- qglBindTexture(GL_TEXTURE_RECTANGLE_ARB, 0);CHECKGLERROR
+ GL_ActiveTexture(i);
+ qglBindTexture(GL_TEXTURE_2D, 0);CHECKGLERROR
+ if (vid.support.ext_texture_3d)
+ {
+ qglBindTexture(GL_TEXTURE_3D, 0);CHECKGLERROR
+ }
+ if (vid.support.arb_texture_cube_map)
+ {
+ qglBindTexture(GL_TEXTURE_CUBE_MAP_ARB, 0);CHECKGLERROR
+ }
+ if (vid.support.arb_texture_rectangle)
+ {
+ qglBindTexture(GL_TEXTURE_RECTANGLE_ARB, 0);CHECKGLERROR
+ }
}
- }
- for (i = 0;i < vid.texarrayunits;i++)
- {
- GL_ClientActiveTexture(i);
- GL_BindVBO(0);
- qglTexCoordPointer(2, GL_FLOAT, sizeof(float[2]), NULL);CHECKGLERROR
- qglDisableClientState(GL_TEXTURE_COORD_ARRAY);CHECKGLERROR
- }
-
- for (i = 0;i < vid.texunits;i++)
- {
- GL_ActiveTexture(i);
- qglDisable(GL_TEXTURE_2D);CHECKGLERROR
- if (vid.support.ext_texture_3d)
- {
- qglDisable(GL_TEXTURE_3D);CHECKGLERROR
- }
- if (vid.support.arb_texture_cube_map)
+ for (i = 0;i < vid.texarrayunits;i++)
{
- qglDisable(GL_TEXTURE_CUBE_MAP_ARB);CHECKGLERROR
+ GL_ClientActiveTexture(i);
+ GL_BindVBO(0);
+ qglTexCoordPointer(2, GL_FLOAT, sizeof(float[2]), NULL);CHECKGLERROR
+ qglDisableClientState(GL_TEXTURE_COORD_ARRAY);CHECKGLERROR
}
- if (vid.support.arb_texture_rectangle)
+ CHECKGLERROR
+ break;
+ case RENDERPATH_GL13:
+ case RENDERPATH_GL11:
+ for (i = 0;i < vid.texunits;i++)
{
- qglDisable(GL_TEXTURE_RECTANGLE_ARB);CHECKGLERROR
+ GL_ActiveTexture(i);
+ GL_ClientActiveTexture(i);
+ qglDisable(GL_TEXTURE_2D);CHECKGLERROR
+ qglBindTexture(GL_TEXTURE_2D, 0);CHECKGLERROR
+ if (vid.support.ext_texture_3d)
+ {
+ qglDisable(GL_TEXTURE_3D);CHECKGLERROR
+ qglBindTexture(GL_TEXTURE_3D, 0);CHECKGLERROR
+ }
+ if (vid.support.arb_texture_cube_map)
+ {
+ qglDisable(GL_TEXTURE_CUBE_MAP_ARB);CHECKGLERROR
+ qglBindTexture(GL_TEXTURE_CUBE_MAP_ARB, 0);CHECKGLERROR
+ }
+ if (vid.support.arb_texture_rectangle)
+ {
+ qglDisable(GL_TEXTURE_RECTANGLE_ARB);CHECKGLERROR
+ qglBindTexture(GL_TEXTURE_RECTANGLE_ARB, 0);CHECKGLERROR
+ }
+ GL_BindVBO(0);
+ qglTexCoordPointer(2, GL_FLOAT, sizeof(float[2]), NULL);CHECKGLERROR
+ qglDisableClientState(GL_TEXTURE_COORD_ARRAY);CHECKGLERROR
+ qglMatrixMode(GL_TEXTURE);CHECKGLERROR
+ qglLoadIdentity();CHECKGLERROR
+ qglMatrixMode(GL_MODELVIEW);CHECKGLERROR
+ qglTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);CHECKGLERROR
}
- qglMatrixMode(GL_TEXTURE);CHECKGLERROR
- qglLoadIdentity();CHECKGLERROR
- qglMatrixMode(GL_MODELVIEW);CHECKGLERROR
- qglTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);CHECKGLERROR
CHECKGLERROR
+ break;
}
- CHECKGLERROR
}
void GL_ActiveTexture(unsigned int num)
}
}
-void GL_LockArrays(int first, int count)
-{
- if (count < gl_lockarrays_minimumvertices.integer)
- {
- first = 0;
- count = 0;
- }
- if (gl_state.lockrange_count != count || gl_state.lockrange_first != first)
- {
- if (gl_state.lockrange_count)
- {
- gl_state.lockrange_count = 0;
- CHECKGLERROR
- qglUnlockArraysEXT();
- CHECKGLERROR
- }
- if (count && vid.support.ext_compiled_vertex_array && gl_lockarrays.integer)
- {
- gl_state.lockrange_first = first;
- gl_state.lockrange_count = count;
- CHECKGLERROR
- qglLockArraysEXT(first, count);
- CHECKGLERROR
- }
- }
-}
-
void GL_Scissor (int x, int y, int width, int height)
{
CHECKGLERROR
}
}
-static const float gl_identitymatrix[16] = {1,0,0,0, 0,1,0,0, 0,0,1,0, 0,0,0,1};
-
void R_Mesh_TexMatrix(unsigned int unitnum, const matrix4x4_t *matrix)
{
gltextureunit_t *unit = gl_state.units + unitnum;
projects / xonotic / darkplaces.git / blobdiff