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evas gl: Add an env var to debug GLSL version issues 

Set this env var to "300 es" to test GLSL 300 ES as shader
version. This is for brokenshakles.

Example:
  export EVAS_GL_GET_PROGRAM_BINARY=0
  export EVAS_GL_SHADER_GLSL_VERSION="300 es"
  export ELM_ACCEL=gl
  elementary_test
This commit is contained in:
Jean-Philippe Andre 2017-05-30 11:11:41 +09:00
parent bc38a4c639
commit ebb9cad1ed
1 changed files with 12 additions and 1 deletions
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13
src/modules/evas/engines/gl_common/evas_gl_shader.c
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@ -423,7 +423,18 @@ evas_gl_common_shader_glsl_get(unsigned int flags, const char *base)
unsigned int k;
char *str;
//eina_strbuf_append_printf(s, "#version 300 es\n");
/* This is an env var to use for debugging purposes only */
static const char *evas_gl_shader_glsl_version = NULL;
if (!evas_gl_shader_glsl_version)
{
evas_gl_shader_glsl_version = getenv("EVAS_GL_SHADER_GLSL_VERSION");
if (!evas_gl_shader_glsl_version) evas_gl_shader_glsl_version = "";
else WRN("Using GLSL version tag: '%s'", evas_gl_shader_glsl_version);
}
if (*evas_gl_shader_glsl_version)
eina_strbuf_append_printf(s, "#version %s\n", evas_gl_shader_glsl_version);
for (k = 0; k < SHADER_FLAG_COUNT; k++)
{
if (flags & (1 << k))