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GL: support for RG48

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Can be useful for 12-bit RGB, which didn't have any appropriate pixel
format until now.
This commit is contained in:
Martin Pulec
2023-01-09 16:53:15 +01:00
parent b9dc69fada
commit ff181ca757
1 changed files with 11 additions and 2 deletions
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13
src/video_display/gl.cpp
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@@ -419,6 +419,7 @@ static constexpr array gl_supp_codecs = {
R10k,
RGBA,
RGB,
RG48,
Y416,
DXT1,
DXT1_YUV,
@@ -885,6 +886,12 @@ static void gl_reconfigure_screen(struct state_gl *s, struct video_desc desc)
desc.width, desc.height, 0,
GL_RGBA, GL_UNSIGNED_INT_2_10_10_10_REV,
nullptr);
} else if (desc.color_spec == RG48) {
glBindTexture(GL_TEXTURE_2D,s->texture_display);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB,
desc.width, desc.height, 0,
GL_RGB, GL_UNSIGNED_SHORT,
nullptr);
} else if (desc.color_spec == DXT5) {
glUseProgram(s->PHandles.at(DXT5));
@@ -983,6 +990,7 @@ static void gl_render(struct state_gl *s, char *data)
case R10k:
case RGB:
case RGBA:
case RG48:
upload_texture(s, data);
break;
case DXT5:
@@ -1569,11 +1577,11 @@ static void gl_resize(GLFWwindow *win, int width, int height)
static void upload_texture(struct state_gl *s, char *data)
{
GLuint format = s->current_display_desc.color_spec == RGB ? GL_RGB : GL_RGBA;
GLuint format = s->current_display_desc.color_spec == RGB || s->current_display_desc.color_spec == RG48 ? GL_RGB : GL_RGBA;
GLenum type = GL_UNSIGNED_BYTE;
if (s->current_display_desc.color_spec == R10k || s->current_display_desc.color_spec == v210) {
type = GL_UNSIGNED_INT_2_10_10_10_REV;
} else if (s->current_display_desc.color_spec == Y416) {
} else if (s->current_display_desc.color_spec == Y416 || s->current_display_desc.color_spec == RG48) {
type = GL_UNSIGNED_SHORT;
}
GLint width = s->current_display_desc.width;
@@ -1609,6 +1617,7 @@ static void upload_texture(struct state_gl *s, char *data)
}
glUnmapBufferARB(GL_PIXEL_UNPACK_BUFFER_ARB); // release pointer to mapping buffer
}
glBindTexture(GL_TEXTURE_2D,s->texture_display);
glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, width, s->current_display_desc.height, format, type, nullptr);
glBindBufferARB(GL_PIXEL_UNPACK_BUFFER_ARB, 0);