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Code Issues Releases Wiki Activity

fix GLES shaders compilation on some hw

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This commit is contained in:
XProger
2019-02-27 00:20:35 +03:00
parent a37d1d5bd6
commit b1afbea84a
2 changed files with 40 additions and 20 deletions
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58
src/gapi_gl.h
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@@ -1131,6 +1131,9 @@ namespace GAPI {
#endif
#endif
bool _GL_EXT_shadow_samplers = extSupport(ext, "GL_EXT_shadow_samplers");
bool _GL_OES_standard_derivatives = extSupport(ext, "GL_OES_standard_derivatives");
support.shaderBinary = extSupport(ext, "_program_binary");
support.VAO = GLES3 || extSupport(ext, "_vertex_array_object");
support.depthTexture = GLES3 || extSupport(ext, "_depth_texture");
@@ -1193,45 +1196,62 @@ namespace GAPI {
GLSL_HEADER_VERT[0] = GLSL_HEADER_FRAG[0] = 0;
#ifdef _GAPI_GLES
if (!GLES3) {
strcat(GLSL_HEADER_VERT, "#define VERTEX\n"
"precision lowp int;\n"
"precision highp float;\n");
strcat(GLSL_HEADER_FRAG, "#extension GL_OES_standard_derivatives : enable\n");
if (support.shadowSampler) {
strcat(GLSL_HEADER_FRAG, "#extension GL_EXT_shadow_samplers : enable\n");
}
strcat(GLSL_HEADER_FRAG, "#define FRAGMENT\n"
"precision lowp int;\n"
"precision highp float;\n"
"#define fragColor gl_FragColor\n");
} else {
if (GLES3) {
// vertex
strcat(GLSL_HEADER_VERT, "#version 300 es\n"
"#define VERTEX\n"
"precision lowp int;\n"
"precision highp float;\n"
"#define VERTEX\n"
"#define varying out\n"
"#define attribute in\n"
"#define texture2D texture\n");
// fragment
strcat(GLSL_HEADER_FRAG, "#version 300 es\n");
if (support.shadowSampler) {
if (_GL_EXT_shadow_samplers) {
strcat(GLSL_HEADER_FRAG, "#extension GL_EXT_shadow_samplers : enable\n");
}
strcat(GLSL_HEADER_FRAG, "#define FRAGMENT\n"
"precision lowp int;\n"
if (_GL_OES_standard_derivatives) {
strcat(GLSL_HEADER_FRAG, "#extension GL_OES_standard_derivatives : enable\n");
}
if (support.shadowSampler) {
strcat(GLSL_HEADER_FRAG, "precision lowp sampler2DShadow;\n");
}
strcat(GLSL_HEADER_FRAG, "precision lowp int;\n"
"precision highp float;\n"
"precision lowp sampler3D;\n"
"#define FRAGMENT\n"
"#define varying in\n"
"#define texture2D texture\n"
"#define texture3D texture\n"
"#define textureCube texture\n"
"out vec4 fragColor;\n");
} else {
// vertex
strcat(GLSL_HEADER_VERT, "#version 100\n"
"precision lowp int;\n"
"precision highp float;\n"
"#define VERTEX\n");
// fragment
strcat(GLSL_HEADER_FRAG, "#version 100\n");
if (_GL_EXT_shadow_samplers) {
strcat(GLSL_HEADER_FRAG, "#extension GL_EXT_shadow_samplers : enable\n");
}
if (_GL_OES_standard_derivatives) {
strcat(GLSL_HEADER_FRAG, "#extension GL_OES_standard_derivatives : enable\n");
}
if (support.shadowSampler) {
strcat(GLSL_HEADER_FRAG, "precision lowp sampler2DShadow;\n");
}
strcat(GLSL_HEADER_FRAG, "precision lowp int;\n"
"precision highp float;\n"
"#define FRAGMENT\n"
"#define fragColor gl_FragColor\n");
}
#else
// vertex
strcat(GLSL_HEADER_VERT, "#version 110\n"
"#define VERTEX\n");
// fragment
strcat(GLSL_HEADER_FRAG, "#version 110\n"
"#define FRAGMENT\n"
"#define fragColor gl_FragColor\n");

2
src/shaders/compose.glsl
View File

@@ -262,7 +262,7 @@ varying vec4 vTexCoord; // xy - atlas coords, zw - trapezoidal correction
#ifdef OPT_SHADOW
#ifdef SHADOW_SAMPLER
uniform sampler2DShadow sShadow;
#ifdef GL_ES
#ifdef GL_EXT_shadow_samplers
#define SHADOW(V) (shadow2DEXT(sShadow, V))
#else
#define SHADOW(V) (shadow2D(sShadow, V).x)