diff options
Diffstat (limited to 'source/blender/windowmanager/intern/wm_draw.c')
-rw-r--r-- | source/blender/windowmanager/intern/wm_draw.c | 68 |
1 files changed, 21 insertions, 47 deletions
diff --git a/source/blender/windowmanager/intern/wm_draw.c b/source/blender/windowmanager/intern/wm_draw.c index b12dbf7b021..d103f2291bf 100644 --- a/source/blender/windowmanager/intern/wm_draw.c +++ b/source/blender/windowmanager/intern/wm_draw.c @@ -430,15 +430,8 @@ static void wm_draw_triple_fail(bContext *C, wmWindow *win) static bool wm_triple_gen_textures(wmWindow *win, wmDrawTriple *triple) { /* compute texture sizes */ - triple->x = WM_window_pixels_x(win); - triple->y = WM_window_pixels_y(win); - -#if USE_TEXTURE_RECTANGLE - /* GL_TEXTURE_RECTANGLE is part of GL 3.1 so we can use it soon without runtime checks */ - triple->target = GL_TEXTURE_RECTANGLE; -#else - triple->target = GL_TEXTURE_2D; -#endif + const int sizex = WM_window_pixels_x(win); + const int sizey = WM_window_pixels_y(win); /* generate texture names */ glGenTextures(1, &triple->bind); @@ -447,29 +440,25 @@ static bool wm_triple_gen_textures(wmWindow *win, wmDrawTriple *triple) * there is only one texture in use, which may not be the case */ const GLint maxsize = GPU_max_texture_size(); - if (triple->x > maxsize || triple->y > maxsize) { + if (sizex > maxsize || sizey > maxsize) { printf("WM: failed to allocate texture for triple buffer drawing " "(texture too large for graphics card).\n"); return false; } /* setup actual texture */ - glBindTexture(triple->target, triple->bind); + glBindTexture(GL_TEXTURE_2D, triple->bind); /* no mipmaps */ -#if USE_TEXTURE_RECTANGLE - /* already has no mipmaps */ -#else - glTexParameteri(triple->target, GL_TEXTURE_MAX_LEVEL, 0); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LEVEL, 0); /* GL_TEXTURE_BASE_LEVEL = 0 by default */ -#endif - glTexParameteri(triple->target, GL_TEXTURE_MIN_FILTER, GL_NEAREST); - glTexParameteri(triple->target, GL_TEXTURE_MAG_FILTER, GL_NEAREST); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); - glTexImage2D(triple->target, 0, GL_RGB8, triple->x, triple->y, 0, GL_RGB, GL_UNSIGNED_BYTE, NULL); + glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB8, sizex, sizey, 0, GL_RGB, GL_UNSIGNED_BYTE, NULL); - glBindTexture(triple->target, 0); + glBindTexture(GL_TEXTURE_2D, 0); return true; } @@ -480,19 +469,10 @@ void wm_triple_draw_textures(wmWindow *win, wmDrawTriple *triple, float alpha) const int sizey = WM_window_pixels_y(win); /* wmOrtho for the screen has this same offset */ - float ratiox = sizex; - float ratioy = sizey; - float halfx = GLA_PIXEL_OFS; - float halfy = GLA_PIXEL_OFS; - -#if USE_TEXTURE_RECTANGLE - /* texture rectangle has unnormalized coordinates */ -#else - ratiox /= triple->x; - ratioy /= triple->y; - halfx /= triple->x; - halfy /= triple->y; -#endif + const float ratiox = 1.0f; + const float ratioy = 1.0f; + const float halfx = GLA_PIXEL_OFS / sizex; + const float halfy = GLA_PIXEL_OFS / sizey; Gwn_VertFormat *format = immVertexFormat(); unsigned int texcoord = GWN_vertformat_attr_add(format, "texCoord", GWN_COMP_F32, 2, GWN_FETCH_FLOAT); @@ -500,16 +480,10 @@ void wm_triple_draw_textures(wmWindow *win, wmDrawTriple *triple, float alpha) const int activeTex = 7; /* arbitrary */ glActiveTexture(GL_TEXTURE0 + activeTex); - glBindTexture(triple->target, triple->bind); - -#if USE_TEXTURE_RECTANGLE - immBindBuiltinProgram(GPU_SHADER_3D_IMAGE_RECT_MODULATE_ALPHA); -#else - immBindBuiltinProgram(GPU_SHADER_3D_IMAGE_MODULATE_ALPHA); - /* TODO: make pure 2D version - * and a 2D_IMAGE (replace, not modulate) version for when alpha = 1.0 - */ -#endif + glBindTexture(GL_TEXTURE_2D, triple->bind); + + immBindBuiltinProgram(GPU_SHADER_2D_IMAGE_ALPHA); + immUniform1f("alpha", alpha); immUniform1i("image", activeTex); @@ -530,7 +504,7 @@ void wm_triple_draw_textures(wmWindow *win, wmDrawTriple *triple, float alpha) immEnd(); immUnbindProgram(); - glBindTexture(triple->target, 0); + glBindTexture(GL_TEXTURE_2D, 0); if (activeTex != 0) glActiveTexture(GL_TEXTURE0); } @@ -540,10 +514,10 @@ static void wm_triple_copy_textures(wmWindow *win, wmDrawTriple *triple) const int sizex = WM_window_pixels_x(win); const int sizey = WM_window_pixels_y(win); - glBindTexture(triple->target, triple->bind); + glBindTexture(GL_TEXTURE_2D, triple->bind); /* what is GL_READ_BUFFER right now? */ - glCopyTexSubImage2D(triple->target, 0, 0, 0, 0, 0, sizex, sizey); - glBindTexture(triple->target, 0); + glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 0, 0, sizex, sizey); + glBindTexture(GL_TEXTURE_2D, 0); } static void wm_draw_region_blend(wmWindow *win, ARegion *ar, wmDrawTriple *triple) |