void GL_RenderPath()
{
if ( navrep_render.integer != -1 )
{
vec4_t white = {1,1,1,1};
GL_DisableTexture(GL_TEXTURE0_ARB);
GL_Disable(GL_LIGHTING);
GL_SetColor(white);
glBegin(GL_LINES);
NavRep_Render();
glEnd();
}
}
static void
GL_SetDrawingState(SDL_Renderer * renderer)
{
GL_RenderData *data = (GL_RenderData *) renderer->driverdata;
GL_ActivateRenderer(renderer);
GL_SetColor(data, renderer->r,
renderer->g,
renderer->b,
renderer->a);
GL_SetBlendMode(data, renderer->blendMode);
GL_SetShader(data, SHADER_SOLID);
}
static int
GL_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture,
const SDL_Rect * srcrect, const SDL_Rect * dstrect)
{
GL_RenderData *data = (GL_RenderData *) renderer->driverdata;
GL_TextureData *texturedata = (GL_TextureData *) texture->driverdata;
int minx, miny, maxx, maxy;
GLfloat minu, maxu, minv, maxv;
GL_ActivateRenderer(renderer);
data->glEnable(texturedata->type);
if (texturedata->yuv) {
data->glActiveTextureARB(GL_TEXTURE2_ARB);
data->glBindTexture(texturedata->type, texturedata->vtexture);
if (texturedata->scaleMode != data->current.scaleMode) {
data->glTexParameteri(texturedata->type, GL_TEXTURE_MIN_FILTER,
texturedata->scaleMode);
data->glTexParameteri(texturedata->type, GL_TEXTURE_MAG_FILTER,
texturedata->scaleMode);
}
data->glActiveTextureARB(GL_TEXTURE1_ARB);
data->glBindTexture(texturedata->type, texturedata->utexture);
if (texturedata->scaleMode != data->current.scaleMode) {
data->glTexParameteri(texturedata->type, GL_TEXTURE_MIN_FILTER,
texturedata->scaleMode);
data->glTexParameteri(texturedata->type, GL_TEXTURE_MAG_FILTER,
texturedata->scaleMode);
}
data->glActiveTextureARB(GL_TEXTURE0_ARB);
}
data->glBindTexture(texturedata->type, texturedata->texture);
if (texturedata->scaleMode != data->current.scaleMode) {
data->glTexParameteri(texturedata->type, GL_TEXTURE_MIN_FILTER,
texturedata->scaleMode);
data->glTexParameteri(texturedata->type, GL_TEXTURE_MAG_FILTER,
texturedata->scaleMode);
data->current.scaleMode = texturedata->scaleMode;
}
if (texture->modMode) {
GL_SetColor(data, texture->r, texture->g, texture->b, texture->a);
} else {
GL_SetColor(data, 255, 255, 255, 255);
}
GL_SetBlendMode(data, texture->blendMode);
if (texturedata->yuv) {
GL_SetShader(data, SHADER_YV12);
} else {
GL_SetShader(data, SHADER_RGB);
}
minx = dstrect->x;
miny = dstrect->y;
maxx = dstrect->x + dstrect->w;
maxy = dstrect->y + dstrect->h;
minu = (GLfloat) srcrect->x / texture->w;
minu *= texturedata->texw;
maxu = (GLfloat) (srcrect->x + srcrect->w) / texture->w;
maxu *= texturedata->texw;
minv = (GLfloat) srcrect->y / texture->h;
minv *= texturedata->texh;
maxv = (GLfloat) (srcrect->y + srcrect->h) / texture->h;
maxv *= texturedata->texh;
data->glBegin(GL_TRIANGLE_STRIP);
data->glTexCoord2f(minu, minv);
data->glVertex2f((GLfloat) minx, (GLfloat) miny);
data->glTexCoord2f(maxu, minv);
data->glVertex2f((GLfloat) maxx, (GLfloat) miny);
data->glTexCoord2f(minu, maxv);
data->glVertex2f((GLfloat) minx, (GLfloat) maxy);
data->glTexCoord2f(maxu, maxv);
data->glVertex2f((GLfloat) maxx, (GLfloat) maxy);
data->glEnd();
data->glDisable(texturedata->type);
return 0;
}
void glColor4ubv (const GLubyte *v)
{
GL_SetColor (v[0], v[1], v[2], v[3]);
}
void glColor4ub (GLubyte red, GLubyte green, GLubyte blue, GLubyte alpha)
{
GL_SetColor (red, green, blue, alpha);
}
void glColor4fv (const GLfloat *v)
{
GL_SetColor (v[0] * 255, v[1] * 255, v[2] * 255, v[3] * 255);
}
void glColor4x (GLint red, GLint green, GLint blue, GLint alpha)
{
GL_SetColor (red * 255, green * 255, blue * 255, alpha * 255);
}
void glColor4f (GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha)
{
GL_SetColor (red * 255, green * 255, blue * 255, alpha * 255);
}
void glColor3ubv (const GLubyte *v)
{
GL_SetColor (v[0], v[1], v[2], 255);
}
/*
void GL_SetColor (float red, float green, float blue, float alpha)
{
xe_CurrentColor.a = alpha;
xe_CurrentColor.r = red;
xe_CurrentColor.g = green;
xe_CurrentColor.b = blue;
}
*/
void glColor3f (GLfloat red, GLfloat green, GLfloat blue)
{
GL_SetColor (red * 255, green * 255, blue * 255, 255);
}