mesa/main/ff_frag: Use compressed fog mode.
Signed-off-by: Gustaw Smolarczyk <wielkiegie@gmail.com> Signed-off-by: Marek Olšák <marek.olsak@amd.com>
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@ -117,21 +117,6 @@ struct state_key {
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} unit[MAX_TEXTURE_COORD_UNITS];
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} unit[MAX_TEXTURE_COORD_UNITS];
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};
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};
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#define FOG_NONE 0
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#define FOG_LINEAR 1
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#define FOG_EXP 2
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#define FOG_EXP2 3
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static GLuint translate_fog_mode( GLenum mode )
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{
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switch (mode) {
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case GL_LINEAR: return FOG_LINEAR;
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case GL_EXP: return FOG_EXP;
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case GL_EXP2: return FOG_EXP2;
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default: return FOG_NONE;
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}
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}
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#define OPR_SRC_COLOR 0
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#define OPR_SRC_COLOR 0
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#define OPR_ONE_MINUS_SRC_COLOR 1
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#define OPR_ONE_MINUS_SRC_COLOR 1
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#define OPR_SRC_ALPHA 2
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#define OPR_SRC_ALPHA 2
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@ -446,8 +431,7 @@ static GLuint make_state_key( struct gl_context *ctx, struct state_key *key )
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}
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}
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/* _NEW_FOG */
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/* _NEW_FOG */
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if (ctx->Fog.Enabled)
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key->fog_mode = ctx->Fog._PackedEnabledMode;
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key->fog_mode = translate_fog_mode(ctx->Fog.Mode);
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/* _NEW_BUFFERS */
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/* _NEW_BUFFERS */
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key->num_draw_buffers = ctx->DrawBuffer->_NumColorDrawBuffers;
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key->num_draw_buffers = ctx->DrawBuffer->_NumColorDrawBuffers;
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