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Renderer opengles2: turn color Uniform into Attribute.

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all attributes are copied interleaved (based on rmg-nik initial patch+
+ minor clean up of data structure
+ add check for colorswap
This commit is contained in:
Sylvain 2021-03-14 22:32:17 +01:00 • committed by Sylvain Becker
parent bfa159313b
commit 53a2608bd2
2 changed files with 160 additions and 89 deletions
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35
src/render/opengles2/SDL_shaders_gles2.c
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@ -39,10 +39,12 @@
static const Uint8 GLES2_Vertex_Default[] = " \
uniform mat4 u_projection; \
attribute vec2 a_position; \
attribute vec4 a_color; \
attribute vec2 a_texCoord; \
attribute vec2 a_angle; \
attribute vec2 a_center; \
varying vec2 v_texCoord; \
varying vec4 v_color; \
\
void main() \
{ \
@ -53,29 +55,30 @@ static const Uint8 GLES2_Vertex_Default[] = " \
v_texCoord = a_texCoord; \
gl_Position = u_projection * vec4(position, 0.0, 1.0);\
gl_PointSize = 1.0; \
v_color = a_color; \
} \
";
static const Uint8 GLES2_Fragment_Solid[] = " \
precision mediump float; \
uniform vec4 u_color; \
varying vec4 v_color; \
\
void main() \
{ \
gl_FragColor = u_color; \
gl_FragColor = v_color; \
} \
";
static const Uint8 GLES2_Fragment_TextureABGR[] = " \
precision mediump float; \
uniform sampler2D u_texture; \
uniform vec4 u_color; \
varying vec4 v_color; \
varying vec2 v_texCoord; \
\
void main() \
{ \
gl_FragColor = texture2D(u_texture, v_texCoord); \
gl_FragColor *= u_color; \
gl_FragColor *= v_color; \
} \
";
@ -83,7 +86,7 @@ static const Uint8 GLES2_Fragment_TextureABGR[] = " \
static const Uint8 GLES2_Fragment_TextureARGB[] = " \
precision mediump float; \
uniform sampler2D u_texture; \
uniform vec4 u_color; \
varying vec4 v_color; \
varying vec2 v_texCoord; \
\
void main() \
@ -92,7 +95,7 @@ static const Uint8 GLES2_Fragment_TextureARGB[] = " \
gl_FragColor = abgr; \
gl_FragColor.r = abgr.b; \
gl_FragColor.b = abgr.r; \
gl_FragColor *= u_color; \
gl_FragColor *= v_color; \
} \
";
@ -100,7 +103,7 @@ static const Uint8 GLES2_Fragment_TextureARGB[] = " \
static const Uint8 GLES2_Fragment_TextureRGB[] = " \
precision mediump float; \
uniform sampler2D u_texture; \
uniform vec4 u_color; \
varying vec4 v_color; \
varying vec2 v_texCoord; \
\
void main() \
@ -110,7 +113,7 @@ static const Uint8 GLES2_Fragment_TextureRGB[] = " \
gl_FragColor.r = abgr.b; \
gl_FragColor.b = abgr.r; \
gl_FragColor.a = 1.0; \
gl_FragColor *= u_color; \
gl_FragColor *= v_color; \
} \
";
@ -118,7 +121,7 @@ static const Uint8 GLES2_Fragment_TextureRGB[] = " \
static const Uint8 GLES2_Fragment_TextureBGR[] = " \
precision mediump float; \
uniform sampler2D u_texture; \
uniform vec4 u_color; \
varying vec4 v_color; \
varying vec2 v_texCoord; \
\
void main() \
@ -126,7 +129,7 @@ static const Uint8 GLES2_Fragment_TextureBGR[] = " \
vec4 abgr = texture2D(u_texture, v_texCoord); \
gl_FragColor = abgr; \
gl_FragColor.a = 1.0; \
gl_FragColor *= u_color; \
gl_FragColor *= v_color; \
} \
";
@ -163,7 +166,7 @@ static const Uint8 GLES2_Fragment_TextureBGR[] = " \
"uniform sampler2D u_texture;\n" \
"uniform sampler2D u_texture_u;\n" \
"uniform sampler2D u_texture_v;\n" \
"uniform vec4 u_color;\n" \
"varying vec4 v_color;\n" \
"varying vec2 v_texCoord;\n" \
"\n" \
@ -185,7 +188,7 @@ static const Uint8 GLES2_Fragment_TextureBGR[] = " \
"\n" \
" // That was easy. :) \n" \
" gl_FragColor = vec4(rgb, 1);\n" \
" gl_FragColor *= u_color;\n" \
" gl_FragColor *= v_color;\n" \
"}" \
#define NV12_SHADER_BODY \
@ -205,7 +208,7 @@ static const Uint8 GLES2_Fragment_TextureBGR[] = " \
"\n" \
" // That was easy. :) \n" \
" gl_FragColor = vec4(rgb, 1);\n" \
" gl_FragColor *= u_color;\n" \
" gl_FragColor *= v_color;\n" \
"}" \
#define NV21_SHADER_BODY \
@ -225,7 +228,7 @@ static const Uint8 GLES2_Fragment_TextureBGR[] = " \
"\n" \
" // That was easy. :) \n" \
" gl_FragColor = vec4(rgb, 1);\n" \
" gl_FragColor *= u_color;\n" \
" gl_FragColor *= v_color;\n" \
"}" \
/* YUV to ABGR conversion */
@ -284,13 +287,13 @@ static const Uint8 GLES2_Fragment_TextureExternalOES[] = " \
#extension GL_OES_EGL_image_external : require\n\
precision mediump float; \
uniform samplerExternalOES u_texture; \
uniform vec4 u_color; \
varying vec4 v_color; \
varying vec2 v_texCoord; \
\
void main() \
{ \
gl_FragColor = texture2D(u_texture, v_texCoord); \
gl_FragColor *= u_color; \
gl_FragColor *= v_color; \
} \
";