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/* _NEW_COLOR */
if (key->logic_op != GL_COPY) {
cc.cc2.logicop_enable = 1;
cc.cc5.logicop_func = intel_translate_logic_op(key->logic_op);
} else if (key->color_blend) {
GLenum eqRGB = key->blend_eq_rgb;
GLenum eqA = key->blend_eq_a;
GLenum srcRGB = key->blend_src_rgb;
GLenum dstRGB = key->blend_dst_rgb;
GLenum srcA = key->blend_src_a;
GLenum dstA = key->blend_dst_a;
if (eqRGB == GL_MIN || eqRGB == GL_MAX) {
srcRGB = dstRGB = GL_ONE;
}
if (eqA == GL_MIN || eqA == GL_MAX) {
srcA = dstA = GL_ONE;
}
cc.cc6.dest_blend_factor = brw_translate_blend_factor(dstRGB);
cc.cc6.src_blend_factor = brw_translate_blend_factor(srcRGB);
cc.cc6.blend_function = brw_translate_blend_equation(eqRGB);
cc.cc5.ia_dest_blend_factor = brw_translate_blend_factor(dstA);
cc.cc5.ia_src_blend_factor = brw_translate_blend_factor(srcA);
cc.cc5.ia_blend_function = brw_translate_blend_equation(eqA);
cc.cc3.blend_enable = 1;
cc.cc3.ia_blend_enable = (srcA != srcRGB ||
dstA != dstRGB ||
eqA != eqRGB);
}
if (key->dither) {
cc.cc5.dither_enable = 1;
cc.cc6.y_dither_offset = 0;
cc.cc6.x_dither_offset = 0;
}
if (INTEL_DEBUG & DEBUG_STATS)
cc.cc5.statistics_enable = 1;
}
static void brw_set_blend_color(struct pipe_context *pipe,
const float *blend_color)
{
struct brw_context *brw = brw_context(pipe);
struct brw_blend_constant_color *bcc = &brw->curr.blend_color.bcc;
memset(bcc, 0, sizeof(*bcc));
bcc->header.opcode = CMD_BLEND_CONSTANT_COLOR;
bcc->header.length = sizeof(*bcc)/4-2;
bcc->blend_constant_color[0] = blend_color[0];
bcc->blend_constant_color[1] = blend_color[1];
bcc->blend_constant_color[2] = blend_color[2];
bcc->blend_constant_color[3] = blend_color[3];
brw->state.dirty.pipe |= PIPE_NEW_BLEND_COLOR;
}
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