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Differential D3061 Diff 10485 source/blender/windowmanager/intern/wm_stereo.c

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source/blender/windowmanager/intern/wm_stereo.c

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#include "BKE_global.h" #include "BKE_global.h"
#include "BKE_report.h" #include "BKE_report.h"
#include "GHOST_C-api.h" #include "GHOST_C-api.h"
#include "ED_screen.h" #include "ED_screen.h"
#include "GPU_immediate.h" #include "GPU_immediate.h"
#include "GPU_framebuffer.h"
#include "GPU_texture.h"
#include "WM_api.h" #include "WM_api.h"
#include "WM_types.h" #include "WM_types.h"
#include "wm.h" #include "wm.h"
#include "wm_draw.h" /* wmDrawTriple */ #include "wm_draw.h"
#include "wm_window.h" #include "wm_window.h"
#include "UI_interface.h" #include "UI_interface.h"
#include "UI_resources.h" #include "UI_resources.h"
static void wm_method_draw_stereo3d_pageflip(wmWindow *win)
{
wmDrawData *drawdata;
int view;
for (view = 0; view < 2; view ++) {
drawdata = BLI_findlink(&win->drawdata, (view * 2) + 1);
if (view == STEREO_LEFT_ID)
glDrawBuffer(GL_BACK_LEFT);
else //STEREO_RIGHT_ID
glDrawBuffer(GL_BACK_RIGHT);
wm_triple_draw_textures(win, drawdata->triple, 1.0f);
}
glDrawBuffer(GL_BACK);
}
static GPUInterlaceShader interlace_gpu_id_from_type(eStereo3dInterlaceType interlace_type) static GPUInterlaceShader interlace_gpu_id_from_type(eStereo3dInterlaceType interlace_type)
{ {
switch (interlace_type) { switch (interlace_type) {
case S3D_INTERLACE_ROW: case S3D_INTERLACE_ROW:
return GPU_SHADER_INTERLACE_ROW; return GPU_SHADER_INTERLACE_ROW;
case S3D_INTERLACE_COLUMN: case S3D_INTERLACE_COLUMN:
return GPU_SHADER_INTERLACE_COLUMN; return GPU_SHADER_INTERLACE_COLUMN;
case S3D_INTERLACE_CHECKERBOARD: case S3D_INTERLACE_CHECKERBOARD:
default: default:
return GPU_SHADER_INTERLACE_CHECKER; return GPU_SHADER_INTERLACE_CHECKER;
} }
} }
static void wm_method_draw_stereo3d_interlace(wmWindow *win) void wm_stereo3d_draw_interlace(wmWindow *win, ARegion *ar)
{ {
bool swap = (win->stereo3d_format->flag & S3D_INTERLACE_SWAP) != 0; bool swap = (win->stereo3d_format->flag & S3D_INTERLACE_SWAP) != 0;
enum eStereo3dInterlaceType interlace_type = win->stereo3d_format->interlace_type; enum eStereo3dInterlaceType interlace_type = win->stereo3d_format->interlace_type;
wmDrawData *drawdata[2];
for (int eye = 0; eye < 2; eye++) {
int view = swap ? !eye : eye;
drawdata[eye] = BLI_findlink(&win->drawdata, (view * 2) + 1);
}
const int sizex = WM_window_pixels_x(win);
const int sizey = WM_window_pixels_y(win);
/* wmOrtho for the screen has this same offset */ /* wmOrtho for the screen has this same offset */
float ratiox = 1.0f; float halfx = GLA_PIXEL_OFS / ar->winx;
float ratioy = 1.0f; float halfy = GLA_PIXEL_OFS / ar->winy;
float halfx = GLA_PIXEL_OFS / sizex;
float halfy = GLA_PIXEL_OFS / sizex;
Gwn_VertFormat *format = immVertexFormat(); Gwn_VertFormat *format = immVertexFormat();
unsigned int texcoord = GWN_vertformat_attr_add(format, "texCoord", GWN_COMP_F32, 2, GWN_FETCH_FLOAT); unsigned int texcoord = GWN_vertformat_attr_add(format, "texCoord", GWN_COMP_F32, 2, GWN_FETCH_FLOAT);
unsigned int pos = GWN_vertformat_attr_add(format, "pos", GWN_COMP_F32, 2, GWN_FETCH_FLOAT); unsigned int pos = GWN_vertformat_attr_add(format, "pos", GWN_COMP_F32, 2, GWN_FETCH_FLOAT);
immBindBuiltinProgram(GPU_SHADER_2D_IMAGE_INTERLACE); /* leave GL_TEXTURE0 as the latest active texture */
for (int view = 1; view >= 0; view--) {
/* leave GL_TEXTURE0 as the latest bind texture */ GPUTexture *texture = wm_draw_region_texture(ar, view);
for (int eye = 1; eye >= 0; eye--) { glActiveTexture(GL_TEXTURE0 + view);
glActiveTexture(GL_TEXTURE0 + eye); glBindTexture(GL_TEXTURE_2D, GPU_texture_opengl_bindcode(texture));
glBindTexture(GL_TEXTURE_2D, drawdata[eye]->triple->bind);
} }
immUniform1i("image_a", 0); immBindBuiltinProgram(GPU_SHADER_2D_IMAGE_INTERLACE);
immUniform1i("image_b", 1); immUniform1i("image_a", (swap)? 1: 0);
immUniform1i("image_b", (swap)? 0: 1);
immUniform1i("interlace_id", interlace_gpu_id_from_type(interlace_type)); immUniform1i("interlace_id", interlace_gpu_id_from_type(interlace_type));
immBegin(GWN_PRIM_TRI_FAN, 4); immBegin(GWN_PRIM_TRI_FAN, 4);
immAttrib2f(texcoord, halfx, halfy); immAttrib2f(texcoord, halfx, halfy);
immVertex2f(pos, 0.0f, 0.0f); immVertex2f(pos, ar->winrct.xmin, ar->winrct.ymin);
immAttrib2f(texcoord, ratiox + halfx, halfy); immAttrib2f(texcoord, 1.0f + halfx, halfy);
immVertex2f(pos, sizex, 0.0f); immVertex2f(pos, ar->winrct.xmax + 1, ar->winrct.ymin);
immAttrib2f(texcoord, ratiox + halfx, ratioy + halfy); immAttrib2f(texcoord, 1.0f + halfx, 1.0f + halfy);
immVertex2f(pos, sizex, sizey); immVertex2f(pos, ar->winrct.xmax + 1, ar->winrct.ymax + 1);
immAttrib2f(texcoord, halfx, ratioy + halfy); immAttrib2f(texcoord, halfx, 1.0f + halfy);
immVertex2f(pos, 0.0f, sizey); immVertex2f(pos, ar->winrct.xmin, ar->winrct.ymax + 1);
immEnd(); immEnd();
immUnbindProgram(); immUnbindProgram();
for (int eye = 1; eye >= 0; eye--) { for (int view = 1; view >= 0; view--) {
glActiveTexture(GL_TEXTURE0 + eye); glActiveTexture(GL_TEXTURE0 + view);
glBindTexture(GL_TEXTURE_2D, 0); glBindTexture(GL_TEXTURE_2D, 0);
} }
} }
static void wm_method_draw_stereo3d_anaglyph(wmWindow *win) void wm_stereo3d_draw_anaglyph(wmWindow *win, ARegion *ar)
{ {
wmDrawData *drawdata; for (int view = 0; view < 2; view ++) {
int view, bit; int bit = view + 1;
for (view = 0; view < 2; view ++) {
drawdata = BLI_findlink(&win->drawdata, (view * 2) + 1);
bit = view + 1;
switch (win->stereo3d_format->anaglyph_type) { switch (win->stereo3d_format->anaglyph_type) {
case S3D_ANAGLYPH_REDCYAN: case S3D_ANAGLYPH_REDCYAN:
glColorMask((1&bit) ? GL_TRUE : GL_FALSE, glColorMask((1&bit) ? GL_TRUE : GL_FALSE,
(2&bit) ? GL_TRUE : GL_FALSE, (2&bit) ? GL_TRUE : GL_FALSE,
(2&bit) ? GL_TRUE : GL_FALSE, (2&bit) ? GL_TRUE : GL_FALSE,
GL_FALSE); GL_FALSE);
break; break;
case S3D_ANAGLYPH_GREENMAGENTA: case S3D_ANAGLYPH_GREENMAGENTA:
glColorMask((2&bit) ? GL_TRUE : GL_FALSE, glColorMask((2&bit) ? GL_TRUE : GL_FALSE,
(1&bit) ? GL_TRUE : GL_FALSE, (1&bit) ? GL_TRUE : GL_FALSE,
(2&bit) ? GL_TRUE : GL_FALSE, (2&bit) ? GL_TRUE : GL_FALSE,
GL_FALSE); GL_FALSE);
break; break;
case S3D_ANAGLYPH_YELLOWBLUE: case S3D_ANAGLYPH_YELLOWBLUE:
glColorMask((1&bit) ? GL_TRUE : GL_FALSE, glColorMask((1&bit) ? GL_TRUE : GL_FALSE,
(1&bit) ? GL_TRUE : GL_FALSE, (1&bit) ? GL_TRUE : GL_FALSE,
(2&bit) ? GL_TRUE : GL_FALSE, (2&bit) ? GL_TRUE : GL_FALSE,
GL_FALSE); GL_FALSE);
break; break;
} }
wm_triple_draw_textures(win, drawdata->triple, 1.0f); wm_draw_region_blend(ar, view, false);
}
glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE); glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
} }
}
static void wm_method_draw_stereo3d_sidebyside(wmWindow *win) void wm_stereo3d_draw_sidebyside(wmWindow *win, int view)
{ {
wmDrawData *drawdata;
wmDrawTriple *triple;
int view;
int soffx;
bool cross_eyed = (win->stereo3d_format->flag & S3D_SIDEBYSIDE_CROSSEYED) != 0; bool cross_eyed = (win->stereo3d_format->flag & S3D_SIDEBYSIDE_CROSSEYED) != 0;
Gwn_VertFormat *format = immVertexFormat(); Gwn_VertFormat *format = immVertexFormat();
unsigned int texcoord = GWN_vertformat_attr_add(format, "texCoord", GWN_COMP_F32, 2, GWN_FETCH_FLOAT); unsigned int texcoord = GWN_vertformat_attr_add(format, "texCoord", GWN_COMP_F32, 2, GWN_FETCH_FLOAT);
unsigned int pos = GWN_vertformat_attr_add(format, "pos", GWN_COMP_F32, 2, GWN_FETCH_FLOAT); unsigned int pos = GWN_vertformat_attr_add(format, "pos", GWN_COMP_F32, 2, GWN_FETCH_FLOAT);
immBindBuiltinProgram(GPU_SHADER_2D_IMAGE_ALPHA); immBindBuiltinProgram(GPU_SHADER_2D_IMAGE);
glActiveTexture(GL_TEXTURE0);
for (view = 0; view < 2; view ++) {
drawdata = BLI_findlink(&win->drawdata, (view * 2) + 1);
triple = drawdata->triple;
soffx = WM_window_pixels_x(win) * 0.5f; int soffx = WM_window_pixels_x(win) * 0.5f;
if (view == STEREO_LEFT_ID) { if (view == STEREO_LEFT_ID) {
if (!cross_eyed) if (!cross_eyed)
soffx = 0; soffx = 0;
} }
else { //RIGHT_LEFT_ID else { //RIGHT_LEFT_ID
if (cross_eyed) if (cross_eyed)
soffx = 0; soffx = 0;
} }
const int sizex = WM_window_pixels_x(win); const int sizex = WM_window_pixels_x(win);
const int sizey = WM_window_pixels_y(win); const int sizey = WM_window_pixels_y(win);
/* wmOrtho for the screen has this same offset */ /* wmOrtho for the screen has this same offset */
const float ratiox = 1.0f;
const float ratioy = 1.0f;
const float halfx = GLA_PIXEL_OFS / sizex; const float halfx = GLA_PIXEL_OFS / sizex;
const float halfy = GLA_PIXEL_OFS / sizey; const float halfy = GLA_PIXEL_OFS / sizex;
glBindTexture(GL_TEXTURE_2D, triple->bind);
immUniform1f("alpha", 1.0f); immUniform1i("image", 0); /* texture is already bound to GL_TEXTURE0 unit */
immUniform1i("image", 0); /* default GL_TEXTURE0 unit */
immBegin(GWN_PRIM_TRI_FAN, 4); immBegin(GWN_PRIM_TRI_FAN, 4);
immAttrib2f(texcoord, halfx, halfy); immAttrib2f(texcoord, halfx, halfy);
immVertex2f(pos, soffx, 0.0f); immVertex2f(pos, soffx, 0.0f);
immAttrib2f(texcoord, ratiox + halfx, halfy); immAttrib2f(texcoord, 1.0f + halfx, halfy);
immVertex2f(pos, soffx + (sizex * 0.5f), 0.0f); immVertex2f(pos, soffx + (sizex * 0.5f), 0.0f);
immAttrib2f(texcoord, ratiox + halfx, ratioy + halfy); immAttrib2f(texcoord, 1.0f + halfx, 1.0f + halfy);
immVertex2f(pos, soffx + (sizex * 0.5f), sizey); immVertex2f(pos, soffx + (sizex * 0.5f), sizey);
immAttrib2f(texcoord, halfx, ratioy + halfy); immAttrib2f(texcoord, halfx, 1.0f + halfy);
immVertex2f(pos, soffx, sizey); immVertex2f(pos, soffx, sizey);
immEnd(); immEnd();
}
glBindTexture(GL_TEXTURE_2D, 0);
immUnbindProgram(); immUnbindProgram();
} }
static void wm_method_draw_stereo3d_topbottom(wmWindow *win) void wm_stereo3d_draw_topbottom(wmWindow *win, int view)
{ {
wmDrawData *drawdata;
wmDrawTriple *triple;
int view;
int soffy;
Gwn_VertFormat *format = immVertexFormat(); Gwn_VertFormat *format = immVertexFormat();
unsigned int texcoord = GWN_vertformat_attr_add(format, "texCoord", GWN_COMP_F32, 2, GWN_FETCH_FLOAT); unsigned int texcoord = GWN_vertformat_attr_add(format, "texCoord", GWN_COMP_F32, 2, GWN_FETCH_FLOAT);
unsigned int pos = GWN_vertformat_attr_add(format, "pos", GWN_COMP_F32, 2, GWN_FETCH_FLOAT); unsigned int pos = GWN_vertformat_attr_add(format, "pos", GWN_COMP_F32, 2, GWN_FETCH_FLOAT);
immBindBuiltinProgram(GPU_SHADER_2D_IMAGE_ALPHA); immBindBuiltinProgram(GPU_SHADER_2D_IMAGE);
glActiveTexture(GL_TEXTURE0);
for (view = 0; view < 2; view ++) {
drawdata = BLI_findlink(&win->drawdata, (view * 2) + 1);
triple = drawdata->triple;
int soffy;
if (view == STEREO_LEFT_ID) { if (view == STEREO_LEFT_ID) {
soffy = WM_window_pixels_y(win) * 0.5f; soffy = WM_window_pixels_y(win) * 0.5f;
} }
else { /* STEREO_RIGHT_ID */ else { /* STEREO_RIGHT_ID */
soffy = 0; soffy = 0;
} }
const int sizex = WM_window_pixels_x(win); const int sizex = WM_window_pixels_x(win);
const int sizey = WM_window_pixels_y(win); const int sizey = WM_window_pixels_y(win);
/* wmOrtho for the screen has this same offset */ /* wmOrtho for the screen has this same offset */
const float ratiox = 1.0f;
const float ratioy = 1.0f;
const float halfx = GLA_PIXEL_OFS / sizex; const float halfx = GLA_PIXEL_OFS / sizex;
const float halfy = GLA_PIXEL_OFS / sizey; const float halfy = GLA_PIXEL_OFS / sizex;
glBindTexture(GL_TEXTURE_2D, triple->bind);
immUniform1f("alpha", 1.0f); immUniform1i("image", 0); /* texture is already bound to GL_TEXTURE0 unit */
immUniform1i("image", 0); /* default GL_TEXTURE0 unit */
immBegin(GWN_PRIM_TRI_FAN, 4); immBegin(GWN_PRIM_TRI_FAN, 4);
immAttrib2f(texcoord, halfx, halfy); immAttrib2f(texcoord, halfx, halfy);
immVertex2f(pos, 0.0f, soffy); immVertex2f(pos, 0.0f, soffy);
immAttrib2f(texcoord, ratiox + halfx, halfy); immAttrib2f(texcoord, 1.0f + halfx, halfy);
immVertex2f(pos, sizex, soffy); immVertex2f(pos, sizex, soffy);
immAttrib2f(texcoord, ratiox + halfx, ratioy + halfy); immAttrib2f(texcoord, 1.0f + halfx, 1.0f + halfy);
immVertex2f(pos, sizex, soffy + (sizey * 0.5f)); immVertex2f(pos, sizex, soffy + (sizey * 0.5f));
immAttrib2f(texcoord, halfx, ratioy + halfy); immAttrib2f(texcoord, halfx, 1.0f + halfy);
immVertex2f(pos, 0.0f, soffy + (sizey * 0.5f)); immVertex2f(pos, 0.0f, soffy + (sizey * 0.5f));
immEnd(); immEnd();
}
immUnbindProgram(); immUnbindProgram();
glBindTexture(GL_TEXTURE_2D, 0);
} }
void wm_method_draw_stereo3d(const bContext *UNUSED(C), wmWindow *win)
{
switch (win->stereo3d_format->display_mode) {
case S3D_DISPLAY_ANAGLYPH:
wm_method_draw_stereo3d_anaglyph(win);
break;
case S3D_DISPLAY_INTERLACE:
wm_method_draw_stereo3d_interlace(win);
break;
case S3D_DISPLAY_PAGEFLIP:
wm_method_draw_stereo3d_pageflip(win);
break;
case S3D_DISPLAY_SIDEBYSIDE:
wm_method_draw_stereo3d_sidebyside(win);
break;
case S3D_DISPLAY_TOPBOTTOM:
wm_method_draw_stereo3d_topbottom(win);
break;
default:
break;
}
}
static bool wm_stereo3d_quadbuffer_supported(void) static bool wm_stereo3d_quadbuffer_supported(void)
{ {
GLboolean stereo = GL_FALSE; GLboolean stereo = GL_FALSE;
glGetBooleanv(GL_STEREO, &stereo); glGetBooleanv(GL_STEREO, &stereo);
return stereo == GL_TRUE; return stereo == GL_TRUE;
} }
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