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This commit is contained in:
Maksim Belov 2024-09-21 22:48:17 +03:00 committed by artdeell
parent 6ffd083476
commit 1e0cb531d8
1 changed files with 62 additions and 3 deletions
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65
app/src/main/tinywrapper/glformats.c
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@ -4,6 +4,7 @@
#include <stdbool.h>
#include "glformats.h"
#include "libraryinternal.h"
#include "GL/gl.h"
#include <stdio.h>
static GLint pick_depth_internalformat(GLenum* type, bool* convert) {
@ -67,9 +68,13 @@ static GLint pick_rg_internalformat(GLenum* type, bool* convert) {
}
}
void pick_color_renderable_format(GLint* internalformat, GLenum* type, GLenum* format) {
}
void pick_format(GLint internalformat, GLenum* type, GLenum* format) {
switch (internalformat) {
// Unsized formats. In this canse we always prefer the "byte" versions of them (meaning 32bit/24bit color)
// Unsized formats. In this case we always prefer the "byte" versions of them (meaning 32bit/24bit color)
case GL_RGB: *format=GL_RGB; *type = GL_UNSIGNED_BYTE; break;
case GL_RGBA: *format=GL_RGBA; *type = GL_UNSIGNED_BYTE; break;
case GL_LUMINANCE_ALPHA: *format=GL_LUMINANCE_ALPHA; *type = GL_UNSIGNED_BYTE; break;
@ -100,7 +105,7 @@ void pick_format(GLint internalformat, GLenum* type, GLenum* format) {
case GL_SRGB8: *format=GL_RGB; *type=GL_UNSIGNED_BYTE; break;
case GL_RGB565: *format=GL_RGB; *type=GL_UNSIGNED_BYTE; break;
case GL_RGB8_SNORM: *format=GL_RGB; *type=GL_BYTE; break;
case GL_R11F_G11F_B10F: *format=GL_RGB; *type=GL_UNSIGNED_INT_10F_11F_11F_REV; break;
case GL_R11F_G11F_B10F: *format=GL_RGB; *type=GL_FLOAT; break;
case GL_RGB9_E5: *format=GL_RGB; *type=GL_UNSIGNED_INT_5_9_9_9_REV; break;
case GL_RGB16F: *format=GL_RGB; *type=GL_HALF_FLOAT; break;
case GL_RGB32F: *format=GL_RGB; *type=GL_FLOAT; break;
@ -182,6 +187,60 @@ INTERNAL void pick_internalformat(GLint *internalformat, GLenum* type, GLenum* f
*format = GL_RGBA_INTEGER;
break;
default:
if(*data != NULL) break;
bool _signed = false;
// Pray that EXT_color_buffer_float exists on target if the float versions of the textures are used on framebuffers
switch(*format) {
case GL_RGB:
switch (*type) {
case GL_FLOAT:
case GL_HALF_FLOAT:
*internalformat = GL_R11F_G11F_B10F;
return;
case GL_UNSIGNED_SHORT:
case GL_UNSIGNED_BYTE:
case GL_UNSIGNED_INT:
case GL_SHORT:
case GL_BYTE:
case GL_INT:
if(*internalformat == GL_RGB16 || *internalformat == GL_RGB12 || *internalformat == GL_RGB10) {
// Color renderable 16 bit RGB integer formats don't exist on GLES
*internalformat = GL_R11F_G11F_B10F;
*type = GL_FLOAT;
return;
}
}
break;
case GL_RGBA:
switch(*type) {
case GL_FLOAT:
*internalformat = GL_RGBA32F;
return;
case GL_HALF_FLOAT:
*internalformat = GL_RGBA16F;
return;
case GL_SHORT:
case GL_BYTE:
case GL_INT:
_signed = true;
case GL_UNSIGNED_SHORT:
case GL_UNSIGNED_BYTE:
case GL_UNSIGNED_INT:
if(*internalformat == GL_RGBA16 || *internalformat == GL_RGBA12) {
*format = GL_RGBA_INTEGER;
if(_signed) {
*internalformat = GL_RGBA16I;
*type = GL_SHORT;
}else {
*internalformat = GL_RGBA16UI;
*type = GL_UNSIGNED_SHORT;
}
return;
}
}
}
break;
}
// GL applications do not have to supply valid data to "type" and "format" fields if they are not uploading any data
@ -191,6 +250,6 @@ INTERNAL void pick_internalformat(GLint *internalformat, GLenum* type, GLenum* f
return;
}
if(*data != NULL && convert_data) {
printf("Tinywrapper: we don't support format conversion at the moment. Sorry!\n");
printf("LTW: we don't support format conversion at the moment. Sorry!\n");
}
}