diff options
Diffstat (limited to 'src/mesa/drivers/dri/i965/brw_fs_visitor.cpp')
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_fs_visitor.cpp | 125 |
1 files changed, 0 insertions, 125 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp b/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp index 2e04134..0304906 100644 --- a/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp +++ b/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp @@ -79,122 +79,6 @@ fs_visitor::emit_vs_system_value(int location) return reg; } -fs_reg -fs_visitor::rescale_texcoord(fs_reg coordinate, int coord_components, - bool is_rect, uint32_t sampler) -{ - bool needs_gl_clamp = true; - fs_reg scale_x, scale_y; - - /* The 965 requires the EU to do the normalization of GL rectangle - * texture coordinates. We use the program parameter state - * tracking to get the scaling factor. - */ - if (is_rect && - (devinfo->gen < 6 || - (devinfo->gen >= 6 && (key_tex->gl_clamp_mask[0] & (1 << sampler) || - key_tex->gl_clamp_mask[1] & (1 << sampler))))) { - struct gl_program_parameter_list *params = prog->Parameters; - - - /* FINISHME: We're failing to recompile our programs when the sampler is - * updated. This only matters for the texture rectangle scale - * parameters (pre-gen6, or gen6+ with GL_CLAMP). - */ - int tokens[STATE_LENGTH] = { - STATE_INTERNAL, - STATE_TEXRECT_SCALE, - prog->SamplerUnits[sampler], - 0, - 0 - }; - - no16("rectangle scale uniform setup not supported on SIMD16\n"); - if (dispatch_width == 16) { - return coordinate; - } - - GLuint index = _mesa_add_state_reference(params, - (gl_state_index *)tokens); - /* Try to find existing copies of the texrect scale uniforms. */ - for (unsigned i = 0; i < uniforms; i++) { - if (stage_prog_data->param[i] == - &prog->Parameters->ParameterValues[index][0]) { - scale_x = fs_reg(UNIFORM, i); - scale_y = fs_reg(UNIFORM, i + 1); - break; - } - } - - /* If we didn't already set them up, do so now. */ - if (scale_x.file == BAD_FILE) { - scale_x = fs_reg(UNIFORM, uniforms); - scale_y = fs_reg(UNIFORM, uniforms + 1); - - stage_prog_data->param[uniforms++] = - &prog->Parameters->ParameterValues[index][0]; - stage_prog_data->param[uniforms++] = - &prog->Parameters->ParameterValues[index][1]; - } - } - - /* The 965 requires the EU to do the normalization of GL rectangle - * texture coordinates. We use the program parameter state - * tracking to get the scaling factor. - */ - if (devinfo->gen < 6 && is_rect) { - fs_reg dst = fs_reg(VGRF, alloc.allocate(coord_components)); - fs_reg src = coordinate; - coordinate = dst; - - bld.MUL(dst, src, scale_x); - dst = offset(dst, bld, 1); - src = offset(src, bld, 1); - bld.MUL(dst, src, scale_y); - } else if (is_rect) { - /* On gen6+, the sampler handles the rectangle coordinates - * natively, without needing rescaling. But that means we have - * to do GL_CLAMP clamping at the [0, width], [0, height] scale, - * not [0, 1] like the default case below. - */ - needs_gl_clamp = false; - - for (int i = 0; i < 2; i++) { - if (key_tex->gl_clamp_mask[i] & (1 << sampler)) { - fs_reg chan = coordinate; - chan = offset(chan, bld, i); - - set_condmod(BRW_CONDITIONAL_GE, - bld.emit(BRW_OPCODE_SEL, chan, chan, brw_imm_f(0.0f))); - - /* Our parameter comes in as 1.0/width or 1.0/height, - * because that's what people normally want for doing - * texture rectangle handling. We need width or height - * for clamping, but we don't care enough to make a new - * parameter type, so just invert back. - */ - fs_reg limit = vgrf(glsl_type::float_type); - bld.MOV(limit, i == 0 ? scale_x : scale_y); - bld.emit(SHADER_OPCODE_RCP, limit, limit); - - set_condmod(BRW_CONDITIONAL_L, - bld.emit(BRW_OPCODE_SEL, chan, chan, limit)); - } - } - } - - if (coord_components > 0 && needs_gl_clamp) { - for (int i = 0; i < MIN2(coord_components, 3); i++) { - if (key_tex->gl_clamp_mask[i] & (1 << sampler)) { - fs_reg chan = coordinate; - chan = offset(chan, bld, i); - set_saturate(true, bld.MOV(chan, chan)); - } - } - } - return coordinate; -} - /* Sample from the MCS surface attached to this multisample texture. */ fs_reg fs_visitor::emit_mcs_fetch(const fs_reg &coordinate, unsigned components, @@ -227,7 +111,6 @@ fs_visitor::emit_texture(ir_texture_opcode op, fs_reg mcs, int gather_component, bool is_cube_array, - bool is_rect, uint32_t sampler, fs_reg sampler_reg) { @@ -279,14 +162,6 @@ fs_visitor::emit_texture(ir_texture_opcode op, return; } - if (coordinate.file != BAD_FILE) { - /* FINISHME: Texture coordinate rescaling doesn't work with non-constant - * samplers. This should only be a problem with GL_CLAMP on Gen7. - */ - coordinate = rescale_texcoord(coordinate, coord_components, is_rect, - sampler); - } - /* Writemasking doesn't eliminate channels on SIMD8 texture * samples, so don't worry about them. */ |