void
glw_wirebox(glw_root_t *gr, const glw_rctx_t *rc)
{
glw_backend_root_t *gbr = &gr->gr_be;
if(gbr->gbr_delayed_rendering)
return;
glw_load_program(gbr, NULL);
glMatrixMode(GL_PROJECTION);
glLoadMatrixf(projection);
glMatrixMode(GL_MODELVIEW);
glLoadMatrixf(glw_mtx_get(rc->rc_mtx));
glDisable(GL_TEXTURE_2D);
glBegin(GL_LINE_LOOP);
glColor4f(1,1,1,1);
glVertex3f(-1.0, -1.0, 0.0);
glVertex3f( 1.0, -1.0, 0.0);
glVertex3f( 1.0, 1.0, 0.0);
glVertex3f(-1.0, 1.0, 0.0);
glEnd();
glEnable(GL_TEXTURE_2D);
}
void
glw_wirecube(glw_root_t *gr, const glw_rctx_t *rc)
{
glw_backend_root_t *gbr = &gr->gr_be;
if(gbr->gbr_delayed_rendering)
return;
glw_load_program(gbr, gbr->gbr_renderer_flat);
glw_program_set_modelview(gbr, rc);
glw_program_set_uniform_color(gbr, 1,1,1,1);
glBegin(GL_LINE_LOOP);
glVertex3f(-1.0, -1.0, -1.0);
glVertex3f( 1.0, -1.0, -1.0);
glVertex3f( 1.0, 1.0, -1.0);
glVertex3f(-1.0, 1.0, -1.0);
glEnd();
glBegin(GL_LINE_LOOP);
glVertex3f(-1.0, -1.0, 1.0);
glVertex3f( 1.0, -1.0, 1.0);
glVertex3f( 1.0, 1.0, 1.0);
glVertex3f(-1.0, 1.0, 1.0);
glEnd();
glBegin(GL_LINE_LOOP);
glVertex3f(-1.0, -1.0, 1.0);
glVertex3f(-1.0, -1.0, -1.0);
glVertex3f(-1.0, 1.0, -1.0);
glVertex3f(-1.0, 1.0, 1.0);
glEnd();
glBegin(GL_LINE_LOOP);
glVertex3f( 1.0, -1.0, 1.0);
glVertex3f( 1.0, -1.0, -1.0);
glVertex3f( 1.0, 1.0, -1.0);
glVertex3f( 1.0, 1.0, 1.0);
glEnd();
glBegin(GL_LINE_LOOP);
glVertex3f( 1.0, -1.0, 1.0);
glVertex3f( 1.0, -1.0, -1.0);
glVertex3f(-1.0, -1.0, -1.0);
glVertex3f(-1.0, -1.0, 1.0);
glEnd();
glBegin(GL_LINE_LOOP);
glVertex3f( 1.0, 1.0, 1.0);
glVertex3f( 1.0, 1.0, -1.0);
glVertex3f(-1.0, 1.0, -1.0);
glVertex3f(-1.0, 1.0, 1.0);
glEnd();
}
/**
* Video widget render
*/
void
glw_render_video_quad(int interlace, int rectmode, int width, int height,
int bob1, int bob2,
glw_backend_root_t *gbr, glw_program_t *gp,
const glw_video_t *gv, glw_rctx_t *rc)
{
float x1, x2, y1, y2;
float b1 = 0, b2 = 0;
static const float vertices[8] = {-1, -1, 1, -1, 1, 1, -1, 1};
const uint8_t elements[6] = {0,1,2,0,2,3};
float tc[12];
x1 = 0;
y1 = 0;
if(rectmode) {
x2 = width;
y2 = height;
} else {
x2 = 1;
y2 = 1;
if(interlace) {
b1 = (0.5 * bob1) / (float)height;
b2 = (0.5 * bob2) / (float)height;
}
}
tc[0] = x1;
tc[1] = y2 - b1;
tc[2] = y2 - b2;
tc[3] = x2;
tc[4] = y2 - b1;
tc[5] = y2 - b2;
tc[6] = x2;
tc[7] = y1 - b1;
tc[8] = y1 - b2;
tc[9] = x1;
tc[10] = y1 - b1;
tc[11] = y1 - b2;
glw_load_program(gbr, gp);
glw_program_set_uniform_color(gbr, 1, 1, 1, rc->rc_alpha);
glw_program_set_modelview(gbr, rc);
if(gp->gp_uniform_blend != -1)
glUniform1f(gp->gp_uniform_blend, gv->gv_blend);
if(gp->gp_uniform_colormtx != -1)
glUniformMatrix4fv(gp->gp_uniform_colormtx, 1, GL_FALSE,
gv->gv_cmatrix_cur);
glVertexAttribPointer(gp->gp_attribute_texcoord, 3, GL_FLOAT, 0, 0, tc);
glVertexAttribPointer(gp->gp_attribute_position, 2, GL_FLOAT, 0, 0, vertices);
glDrawElements(GL_TRIANGLES, 6, GL_UNSIGNED_BYTE, elements);
}
static void
vdpau_render(glw_video_t *gv, glw_rctx_t *rc)
{
glw_root_t *gr = gv->w.glw_root;
vdpau_dev_t *vd = gr->gr_be.gbr_vdpau_dev;
glw_backend_root_t *gbr = &gv->w.glw_root->gr_be;
if(!gv->gv_vdpau_running)
return;
glDisable(GL_TEXTURE_2D);
glEnable(GL_TEXTURE_RECTANGLE_ARB);
if(gv->gv_vdpau_texture == 0) {
glGenTextures(1, &gv->gv_vdpau_texture);
glBindTexture(GL_TEXTURE_RECTANGLE_ARB, gv->gv_vdpau_texture);
glTexParameteri(GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
} else {
glBindTexture(GL_TEXTURE_RECTANGLE_ARB, gv->gv_vdpau_texture);
}
gr->gr_be.gbr_bind_tex_image(vd->vd_dpy, gv->gv_glx_pixmap,
GLX_FRONT_LEFT_EXT, NULL);
#if 0
int w = gv->gv_rwidth - 1;
int h = gv->gv_rheight - 1;
#else
int w = gv->gv_fwidth - 1;
int h = gv->gv_fheight - 1;
#endif
glMatrixMode(GL_PROJECTION);
glLoadMatrixf(projmtx);
glMatrixMode(GL_MODELVIEW);
glLoadMatrixf(glw_mtx_get(rc->rc_mtx));
glw_load_program(gbr, NULL);
glColor4f(1,1,1,1);
glBegin(GL_QUADS);
glTexCoord2f(0, h);
glVertex3f(-1.0, -1.0, 0.0);
glTexCoord2f(w, h);
glVertex3f( 1.0, -1.0, 0.0);
glTexCoord2f(w, 0);
glVertex3f( 1.0, 1.0, 0.0);
glTexCoord2f(0, 0);
glVertex3f(-1.0, 1.0, 0.0);
glEnd();
gr->gr_be.gbr_release_tex_image(vd->vd_dpy, gv->gv_glx_pixmap,
GLX_FRONT_LEFT_EXT);
glDisable(GL_TEXTURE_RECTANGLE_ARB);
glEnable(GL_TEXTURE_2D);
}
/**
* Render function using OpenGL shaders
*/
static void
shader_render(struct glw_root *root,
Mtx m,
struct glw_backend_texture *tex,
const struct glw_rgb *rgb_mul,
const struct glw_rgb *rgb_off,
float alpha, float blur,
const float *vertices,
int num_vertices,
const uint16_t *indices,
int num_triangles,
int flags)
{
glw_backend_root_t *gbr = &root->gr_be;
glw_program_t *gp;
if(tex == NULL) {
gp = gbr->gbr_renderer_flat;
} else {
if(blur > 0.05) {
gp = gbr->gbr_renderer_tex_blur;
} else {
gp = gbr->gbr_renderer_tex;
}
glBindTexture(gbr->gbr_primary_texture_mode, tex->tex);
}
if(gp == NULL)
return;
glw_load_program(gbr, gp);
if(rgb_off != NULL)
glUniform4f(gp->gp_uniform_color_offset,
rgb_off->r, rgb_off->g, rgb_off->b, 0);
else
glUniform4f(gp->gp_uniform_color_offset, 0,0,0,0);
switch(gbr->be_blendmode) {
case GLW_BLEND_NORMAL:
glw_program_set_uniform_color(gbr, rgb_mul->r, rgb_mul->g, rgb_mul->b,
alpha);
break;
case GLW_BLEND_ADDITIVE:
glw_program_set_uniform_color(gbr,
rgb_mul->r * alpha,
rgb_mul->g * alpha,
rgb_mul->b * alpha,
1);
break;
}
if(blur > 0.05 && tex != NULL) {
glUniform2f(gp->gp_uniform_blur_amount,
1.5 * blur / tex->width,
1.5 * blur / tex->height);
}
glUniformMatrix4fv(gp->gp_uniform_modelview, 1, 0,
glw_mtx_get(m) ?: glw_identitymtx);
glVertexAttribPointer(gp->gp_attribute_position,
3, GL_FLOAT, 0, sizeof(float) * VERTEX_SIZE,
vertices);
glVertexAttribPointer(gp->gp_attribute_color,
4, GL_FLOAT, 0, sizeof(float) * VERTEX_SIZE,
vertices + 5);
if(gp->gp_attribute_texcoord != -1)
glVertexAttribPointer(gp->gp_attribute_texcoord,
2, GL_FLOAT, 0, sizeof(float) * VERTEX_SIZE,
vertices + 3);
if(indices != NULL)
glDrawElements(GL_TRIANGLES, num_triangles * 3,
GL_UNSIGNED_SHORT, indices);
else
glDrawArrays(GL_TRIANGLES, 0, num_vertices);
}
/**
* Render function using OpenGL shaders
*/
static void
shader_render(struct glw_root *root,
const Mtx m,
const struct glw_backend_texture *t0,
const struct glw_backend_texture *t1,
const struct glw_rgb *rgb_mul,
const struct glw_rgb *rgb_off,
float alpha, float blur,
const float *vertices,
int num_vertices,
const uint16_t *indices,
int num_triangles,
int flags,
glw_program_t *up,
const glw_rctx_t *rc)
{
glw_backend_root_t *gbr = &root->gr_be;
if(rgb_off != NULL)
flags |= GLW_RENDER_COLOR_OFFSET;
glw_program_t *gp = get_program(gbr, t0, t1, blur, flags, up);
if(gp == NULL)
return;
glw_load_program(gbr, gp);
if(rgb_off != NULL)
glUniform4f(gp->gp_uniform_color_offset,
rgb_off->r, rgb_off->g, rgb_off->b, 0);
else
glUniform4f(gp->gp_uniform_color_offset, 0,0,0,0);
switch(gbr->gbr_blendmode) {
case GLW_BLEND_NORMAL:
glw_program_set_uniform_color(gbr, rgb_mul->r, rgb_mul->g, rgb_mul->b,
alpha);
break;
case GLW_BLEND_ADDITIVE:
glw_program_set_uniform_color(gbr,
rgb_mul->r * alpha,
rgb_mul->g * alpha,
rgb_mul->b * alpha,
1);
break;
}
if(gp->gp_uniform_time != -1)
glUniform1f(gp->gp_uniform_time, root->gr_time_sec);
if(gp->gp_uniform_resolution != -1)
glUniform2f(gp->gp_uniform_resolution, rc->rc_width, rc->rc_height);
if(gp->gp_uniform_blur != -1 && t0 != NULL)
glUniform3f(gp->gp_uniform_blur, blur, 1.5 / t0->width, 1.5 / t0->height);
glUniformMatrix4fv(gp->gp_uniform_modelview, 1, 0,
glw_mtx_get(m) ?: glw_identitymtx);
glVertexAttribPointer(gp->gp_attribute_position,
4, GL_FLOAT, 0, sizeof(float) * VERTEX_SIZE,
vertices);
glVertexAttribPointer(gp->gp_attribute_color,
4, GL_FLOAT, 0, sizeof(float) * VERTEX_SIZE,
vertices + 4);
if(gp->gp_attribute_texcoord != -1)
glVertexAttribPointer(gp->gp_attribute_texcoord,
4, GL_FLOAT, 0, sizeof(float) * VERTEX_SIZE,
vertices + 8);
if(indices != NULL)
glDrawElements(GL_TRIANGLES, num_triangles * 3, GL_UNSIGNED_SHORT, indices);
else
glDrawArrays(GL_TRIANGLES, 0, num_vertices);
}
static void
render_unlocked(glw_root_t *gr)
{
glw_backend_root_t *gbr = &gr->gr_be;
int i;
struct render_job *rj = gbr->gbr_render_jobs;
int64_t ts = showtime_get_ts();
int current_blendmode = GLW_BLEND_NORMAL;
glBlendFuncSeparate(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA,
GL_ONE, GL_ONE);
int program_switches = 0;
const float *vertices = gbr->gbr_vertex_buffer;
glBindBuffer(GL_ARRAY_BUFFER, gbr->gbr_vbo);
glBufferData(GL_ARRAY_BUFFER,
sizeof(float) * VERTEX_SIZE * gbr->gbr_vertex_offset,
vertices, GL_STATIC_DRAW);
vertices = NULL;
glVertexAttribPointer(0, 4, GL_FLOAT, 0, sizeof(float) * VERTEX_SIZE,
vertices);
glVertexAttribPointer(1, 4, GL_FLOAT, 0, sizeof(float) * VERTEX_SIZE,
vertices + 4);
glVertexAttribPointer(2, 4, GL_FLOAT, 0, sizeof(float) * VERTEX_SIZE,
vertices + 8);
for(i = 0; i < gbr->gbr_num_render_jobs; i++, rj++) {
const struct glw_backend_texture *t0 = rj->t0;
glw_program_t *gp = get_program(gbr, t0, rj->t1, rj->blur, rj->flags,
rj->up);
if(gp == NULL)
continue;
if(glw_load_program(gbr, gp)) {
program_switches++;
}
glUniform4f(gp->gp_uniform_color_offset,
rj->rgb_off.r, rj->rgb_off.g, rj->rgb_off.b, 0);
glw_program_set_uniform_color(gbr, rj->rgb_mul.r, rj->rgb_mul.g,
rj->rgb_mul.b, rj->alpha);
if(gp->gp_uniform_time != -1)
glUniform1f(gp->gp_uniform_time, gr->gr_time_sec);
if(gp->gp_uniform_resolution != -1)
glUniform2f(gp->gp_uniform_resolution, rj->width, rj->height);
if(gp->gp_uniform_blur != -1 && t0 != NULL)
glUniform3f(gp->gp_uniform_blur, rj->blur,
1.5 / t0->width, 1.5 / t0->height);
if(rj->eyespace) {
glUniformMatrix4fv(gp->gp_uniform_modelview, 1, 0, glw_identitymtx);
} else {
glUniformMatrix4fv(gp->gp_uniform_modelview, 1, 0, glw_mtx_get(rj->m));
}
if(current_blendmode != rj->blendmode) {
current_blendmode = rj->blendmode;
switch(current_blendmode) {
case GLW_BLEND_NORMAL:
glBlendFuncSeparate(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA,
GL_ONE, GL_ONE);
break;
case GLW_BLEND_ADDITIVE:
glBlendFuncSeparate(GL_SRC_COLOR, GL_ONE, GL_ONE, GL_ONE);
break;
}
}
glDrawArrays(GL_TRIANGLES, rj->vertex_offset, rj->num_vertices);
}
if(current_blendmode != GLW_BLEND_NORMAL) {
glBlendFuncSeparate(GL_SRC_COLOR, GL_ONE,
GL_ONE, GL_ONE);
}
ts = showtime_get_ts() - ts;
static int hold;
hold++;
if(hold < 20)
return;
static int cnt;
static int64_t tssum;
tssum += ts;
cnt++;
// printf("%16d (%d) %d switches\n", (int)ts, (int)(tssum/cnt), program_switches);
}