-/**
- * Check and emit one shader constant register.
- * \param shader PIPE_SHADER_FRAGMENT or PIPE_SHADER_VERTEX
- * \param i which float[4] constant to change
- * \param value the new float[4] value
- */
-static enum pipe_error
-emit_const(struct svga_context *svga, enum pipe_shader_type shader, unsigned i,
- const float *value)
-{
- enum pipe_error ret = PIPE_OK;
-
- assert(shader < PIPE_SHADER_TYPES);
- assert(i < SVGA3D_CONSTREG_MAX);
- assert(!svga_have_vgpu10(svga));
-
- if (memcmp(svga->state.hw_draw.cb[shader][i], value,
- 4 * sizeof(float)) != 0) {
- if (SVGA_DEBUG & DEBUG_CONSTS)
- debug_printf("%s %s %u: %f %f %f %f\n",
- __FUNCTION__,
- shader == PIPE_SHADER_VERTEX ? "VERT" : "FRAG",
- i,
- value[0],
- value[1],
- value[2],
- value[3]);
-
- ret = SVGA3D_SetShaderConst( svga->swc,
- i,
- svga_shader_type(shader),
- SVGA3D_CONST_TYPE_FLOAT,
- value );
- if (ret != PIPE_OK)
- return ret;
-
- memcpy(svga->state.hw_draw.cb[shader][i], value, 4 * sizeof(float));
-
- svga->hud.num_const_updates++;
- }
-
- return ret;
-}
-