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SDL_Render: use high precision texcoords in ES2 shaders, when possible 

Fixes #5884
main
slime 2022-07-22 22:07:52 -03:00 committed by Sam Lantinga
parent f9beef760a
commit 65647b3417
1 changed files with 34 additions and 10 deletions
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44
src/render/opengles2/SDL_shaders_gles2.c
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@ -60,8 +60,12 @@ static const Uint8 GLES2_Fragment_Solid[] = " \
static const Uint8 GLES2_Fragment_TextureABGR[] = " \
precision mediump float; \
uniform sampler2D u_texture; \
varying vec4 v_color; \
varying vec2 v_texCoord; \
varying vec4 v_color;\n\
#ifdef GL_FRAGMENT_PRECISION_HIGH\n\
varying highp vec2 v_texCoord;\n\
#else\n\
varying vec2 v_texCoord;\n\
#endif\n\
\
void main() \
{ \
@ -74,8 +78,12 @@ static const Uint8 GLES2_Fragment_TextureABGR[] = " \
static const Uint8 GLES2_Fragment_TextureARGB[] = " \
precision mediump float; \
uniform sampler2D u_texture; \
varying vec4 v_color; \
varying vec2 v_texCoord; \
varying vec4 v_color;\n\
#ifdef GL_FRAGMENT_PRECISION_HIGH\n\
varying highp vec2 v_texCoord;\n\
#else\n\
varying vec2 v_texCoord;\n\
#endif\n\
\
void main() \
{ \
@ -91,8 +99,12 @@ static const Uint8 GLES2_Fragment_TextureARGB[] = " \
static const Uint8 GLES2_Fragment_TextureRGB[] = " \
precision mediump float; \
uniform sampler2D u_texture; \
varying vec4 v_color; \
varying vec2 v_texCoord; \
varying vec4 v_color;\n\
#ifdef GL_FRAGMENT_PRECISION_HIGH\n\
varying highp vec2 v_texCoord;\n\
#else\n\
varying vec2 v_texCoord;\n\
#endif\n\
\
void main() \
{ \
@ -109,8 +121,12 @@ static const Uint8 GLES2_Fragment_TextureRGB[] = " \
static const Uint8 GLES2_Fragment_TextureBGR[] = " \
precision mediump float; \
uniform sampler2D u_texture; \
varying vec4 v_color; \
varying vec2 v_texCoord; \
varying vec4 v_color;\n\
#ifdef GL_FRAGMENT_PRECISION_HIGH\n\
varying highp vec2 v_texCoord;\n\
#else\n\
varying vec2 v_texCoord;\n\
#endif\n\
\
void main() \
{ \
@ -157,7 +173,11 @@ static const Uint8 GLES2_Fragment_TextureBGR[] = " \
"uniform sampler2D u_texture_u;\n" \
"uniform sampler2D u_texture_v;\n" \
"varying vec4 v_color;\n" \
"#ifdef GL_FRAGMENT_PRECISION_HIGH\n" \
"varying highp vec2 v_texCoord;\n" \
"#else\n" \
"varying vec2 v_texCoord;\n" \
"#endif\n" \
"\n" \
#define YUV_SHADER_BODY \
@ -308,8 +328,12 @@ static const Uint8 GLES2_Fragment_TextureExternalOES[] = " \
#extension GL_OES_EGL_image_external : require\n\
precision mediump float; \
uniform samplerExternalOES u_texture; \
varying vec4 v_color; \
varying vec2 v_texCoord; \
varying vec4 v_color;\n\
#ifdef GL_FRAGMENT_PRECISION_HIGH\n\
varying highp vec2 v_texCoord;\n\
#else\n\
varying vec2 v_texCoord;\n\
#endif\n\
\
void main() \
{ \