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wined3d: Introduce a separate function for generating the sRGB write GLSL code.

This commit is contained in:
Henri Verbeet 2012-11-08 23:29:17 +01:00 committed by Alexandre Julliard
parent f6d05fbae6
commit 986f4cb9b1
1 changed files with 11 additions and 8 deletions
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19
dlls/wined3d/glsl_shader.c
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@ -4360,6 +4360,16 @@ static GLhandleARB generate_param_reorder_function(struct wined3d_shader_buffer
return ret;
}
static void shader_glsl_generate_srgb_write_correction(struct wined3d_shader_buffer *buffer)
{
shader_addline(buffer, "tmp0.xyz = pow(gl_FragData[0].xyz, vec3(srgb_const0.x));\n");
shader_addline(buffer, "tmp0.xyz = tmp0.xyz * vec3(srgb_const0.y) - vec3(srgb_const0.z);\n");
shader_addline(buffer, "tmp1.xyz = gl_FragData[0].xyz * vec3(srgb_const0.w);\n");
shader_addline(buffer, "bvec3 srgb_compare = lessThan(gl_FragData[0].xyz, vec3(srgb_const1.x));\n");
shader_addline(buffer, "gl_FragData[0].xyz = mix(tmp0.xyz, tmp1.xyz, vec3(srgb_compare));\n");
shader_addline(buffer, "gl_FragData[0] = clamp(gl_FragData[0], 0.0, 1.0);\n");
}
static void shader_glsl_generate_fog_code(struct wined3d_shader_buffer *buffer, enum fogmode mode)
{
switch (mode)
@ -4457,14 +4467,7 @@ static GLuint shader_glsl_generate_pshader(const struct wined3d_context *context
}
if (args->srgb_correction)
{
shader_addline(buffer, "tmp0.xyz = pow(gl_FragData[0].xyz, vec3(srgb_const0.x));\n");
shader_addline(buffer, "tmp0.xyz = tmp0.xyz * vec3(srgb_const0.y) - vec3(srgb_const0.z);\n");
shader_addline(buffer, "tmp1.xyz = gl_FragData[0].xyz * vec3(srgb_const0.w);\n");
shader_addline(buffer, "bvec3 srgb_compare = lessThan(gl_FragData[0].xyz, vec3(srgb_const1.x));\n");
shader_addline(buffer, "gl_FragData[0].xyz = mix(tmp0.xyz, tmp1.xyz, vec3(srgb_compare));\n");
shader_addline(buffer, "gl_FragData[0] = clamp(gl_FragData[0], 0.0, 1.0);\n");
}
shader_glsl_generate_srgb_write_correction(buffer);
/* SM < 3 does not replace the fog stage. */
if (reg_maps->shader_version.major < 3)