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-rw-r--r--video/out/opengl/utils.c46
-rw-r--r--video/out/opengl/utils.h3
-rw-r--r--video/out/opengl/video.c62
3 files changed, 61 insertions, 50 deletions
diff --git a/video/out/opengl/utils.c b/video/out/opengl/utils.c
index 9b01912041..420df369f0 100644
--- a/video/out/opengl/utils.c
+++ b/video/out/opengl/utils.c
@@ -1249,3 +1249,49 @@ void gl_pbo_upload_uninit(struct gl_pbo_upload *pbo)
pbo->gl->DeleteBuffers(NUM_PBO_BUFFERS, &pbo->buffers[0]);
*pbo = (struct gl_pbo_upload){0};
}
+
+// The intention is to return the actual depth of any fixed point 16 bit
+// textures. (Actually tests only 1 format - hope that is good enough.)
+int gl_determine_16bit_tex_depth(GL *gl)
+{
+ const struct gl_format *fmt = gl_find_unorm_format(gl, 2, 1);
+ if (!gl->GetTexLevelParameteriv || !fmt)
+ return -1;
+
+ GLuint tex;
+ gl->GenTextures(1, &tex);
+ gl->BindTexture(GL_TEXTURE_2D, tex);
+ gl->TexImage2D(GL_TEXTURE_2D, 0, fmt->internal_format, 64, 64, 0,
+ fmt->format, fmt->type, NULL);
+ GLenum pname = 0;
+ switch (fmt->format) {
+ case GL_RED: pname = GL_TEXTURE_RED_SIZE; break;
+ case GL_LUMINANCE: pname = GL_TEXTURE_LUMINANCE_SIZE; break;
+ }
+ GLint param = -1;
+ if (pname)
+ gl->GetTexLevelParameteriv(GL_TEXTURE_2D, 0, pname, &param);
+ gl->DeleteTextures(1, &tex);
+ return param;
+}
+
+int gl_get_fb_depth(GL *gl, int fbo)
+{
+ if ((gl->es < 300 && !gl->version) || !(gl->mpgl_caps & MPGL_CAP_FB))
+ return -1;
+
+ gl->BindFramebuffer(GL_FRAMEBUFFER, fbo);
+
+ GLenum obj = gl->version ? GL_BACK_LEFT : GL_BACK;
+ if (fbo)
+ obj = GL_COLOR_ATTACHMENT0;
+
+ GLint depth_g = -1;
+
+ gl->GetFramebufferAttachmentParameteriv(GL_FRAMEBUFFER, obj,
+ GL_FRAMEBUFFER_ATTACHMENT_GREEN_SIZE, &depth_g);
+
+ gl->BindFramebuffer(GL_FRAMEBUFFER, 0);
+
+ return depth_g > 0 ? depth_g : -1;
+}
diff --git a/video/out/opengl/utils.h b/video/out/opengl/utils.h
index f4e522cdf7..069844caa6 100644
--- a/video/out/opengl/utils.h
+++ b/video/out/opengl/utils.h
@@ -200,4 +200,7 @@ void gl_pbo_upload_tex(struct gl_pbo_upload *pbo, GL *gl, bool use_pbo,
int x, int y, int w, int h);
void gl_pbo_upload_uninit(struct gl_pbo_upload *pbo);
+int gl_determine_16bit_tex_depth(GL *gl);
+int gl_get_fb_depth(GL *gl, int fbo);
+
#endif
diff --git a/video/out/opengl/video.c b/video/out/opengl/video.c
index 955fa2868a..6ad1db6b90 100644
--- a/video/out/opengl/video.c
+++ b/video/out/opengl/video.c
@@ -3122,56 +3122,18 @@ static void init_gl(struct gl_video *p)
gl_video_set_gl_state(p);
- // Test whether we can use 10 bit. Hope that testing a single format/channel
- // is good enough (instead of testing all 1-4 channels variants etc.).
- const struct gl_format *fmt = gl_find_unorm_format(gl, 2, 1);
- if (gl->GetTexLevelParameteriv && fmt) {
- GLuint tex;
- gl->GenTextures(1, &tex);
- gl->BindTexture(GL_TEXTURE_2D, tex);
- gl->TexImage2D(GL_TEXTURE_2D, 0, fmt->internal_format, 64, 64, 0,
- fmt->format, fmt->type, NULL);
- GLenum pname = 0;
- switch (fmt->format) {
- case GL_RED: pname = GL_TEXTURE_RED_SIZE; break;
- case GL_LUMINANCE: pname = GL_TEXTURE_LUMINANCE_SIZE; break;
- }
- GLint param = 0;
- if (pname)
- gl->GetTexLevelParameteriv(GL_TEXTURE_2D, 0, pname, &param);
- if (param) {
- MP_VERBOSE(p, "16 bit texture depth: %d.\n", (int)param);
- p->texture_16bit_depth = param;
- }
- gl->DeleteTextures(1, &tex);
- }
-
- if ((gl->es >= 300 || gl->version) && (gl->mpgl_caps & MPGL_CAP_FB)) {
- gl->BindFramebuffer(GL_FRAMEBUFFER, gl->main_fb);
-
- debug_check_gl(p, "before retrieving framebuffer depth");
-
- GLenum obj = gl->version ? GL_BACK_LEFT : GL_BACK;
- if (gl->main_fb)
- obj = GL_COLOR_ATTACHMENT0;
-
- GLint depth_r = -1, depth_g = -1, depth_b = -1;
-
- gl->GetFramebufferAttachmentParameteriv(GL_FRAMEBUFFER, obj,
- GL_FRAMEBUFFER_ATTACHMENT_RED_SIZE, &depth_r);
- gl->GetFramebufferAttachmentParameteriv(GL_FRAMEBUFFER, obj,
- GL_FRAMEBUFFER_ATTACHMENT_GREEN_SIZE, &depth_g);
- gl->GetFramebufferAttachmentParameteriv(GL_FRAMEBUFFER, obj,
- GL_FRAMEBUFFER_ATTACHMENT_BLUE_SIZE, &depth_b);
-
- debug_check_gl(p, "retrieving framebuffer depth");
-
- MP_VERBOSE(p, "Reported display depth: R=%d, G=%d, B=%d\n",
- depth_r, depth_g, depth_b);
-
- p->fb_depth = depth_g > 0 ? depth_g : 8;
-
- gl->BindFramebuffer(GL_FRAMEBUFFER, 0);
+ // Test whether we can use 10 bit.
+ p->texture_16bit_depth = gl_determine_16bit_tex_depth(gl);
+ if (p->texture_16bit_depth > 0)
+ MP_VERBOSE(p, "16 bit texture depth: %d.\n", p->texture_16bit_depth);
+
+ debug_check_gl(p, "before retrieving framebuffer depth");
+ p->fb_depth = gl_get_fb_depth(gl, gl->main_fb);
+ debug_check_gl(p, "retrieving framebuffer depth");
+ if (p->fb_depth > 0) {
+ MP_VERBOSE(p, "Reported display depth: %d\n", p->fb_depth);
+ } else {
+ p->fb_depth = 8;
}
p->upload_timer = gl_timer_create(p->gl);