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webgl1 doesn't like backslashes in #define

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According to
https://www.khronos.org/registry/OpenGL/specs/es/2.0/GLSL_ES_Specification_1.00.pdf
, backslashes aren't necessary supported as line continuation characters
in preprocessor directives
This commit is contained in:
santouits 2019-01-21 21:04:46 +02:00
parent 09e4d7e9eb
commit e7e9a7cc6c
1 changed files with 5 additions and 10 deletions
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15
drivers/gles2/shaders/canvas.glsl
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@ -433,19 +433,14 @@ FRAGMENT_SHADER_CODE
#ifdef SHADOW_USE_GRADIENT
#define SHADOW_TEST(m_ofs) \
{ \
highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); \
shadow_attenuation += 1.0 - smoothstep(sd, sd + shadow_gradient, sz); \
}
/* clang-format off */
/* GLSL es 100 doesn't support line continuation characters(backslashes) */
#define SHADOW_TEST(m_ofs) { highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); shadow_attenuation += 1.0 - smoothstep(sd, sd + shadow_gradient, sz); }
#else
#define SHADOW_TEST(m_ofs) \
{ \
highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); \
shadow_attenuation += step(sz, sd); \
}
#define SHADOW_TEST(m_ofs) { highp float sd = SHADOW_DEPTH(shadow_texture, vec2(m_ofs, sh)); shadow_attenuation += step(sz, sd); }
/* clang-format on */
#endif