| /* |
| * Copyright © 2012 Intel Corporation |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice (including the next |
| * paragraph) shall be included in all copies or substantial portions of the |
| * Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
| * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS |
| * IN THE SOFTWARE. |
| */ |
| |
| static void |
| FN_NAME(struct gl_context *ctx, |
| DST_TYPE *dst, |
| GLenum dstFormat, |
| SRC_TYPE rgba[][4], |
| int n) |
| { |
| int i; |
| |
| switch (dstFormat) { |
| case GL_RED_INTEGER_EXT: |
| for (i=0;i<n;i++) { |
| dst[i] = SRC_CONVERT(rgba[i][RCOMP]); |
| } |
| break; |
| |
| case GL_GREEN_INTEGER_EXT: |
| for (i=0;i<n;i++) { |
| dst[i] = SRC_CONVERT(rgba[i][GCOMP]); |
| } |
| break; |
| |
| case GL_BLUE_INTEGER_EXT: |
| for (i=0;i<n;i++) { |
| dst[i] = SRC_CONVERT(rgba[i][BCOMP]); |
| }; |
| break; |
| |
| case GL_ALPHA_INTEGER_EXT: |
| for (i=0;i<n;i++) { |
| dst[i] = SRC_CONVERT(rgba[i][ACOMP]); |
| } |
| break; |
| |
| case GL_RG_INTEGER: |
| for (i=0;i<n;i++) { |
| dst[i*2+0] = SRC_CONVERT(rgba[i][RCOMP]); |
| dst[i*2+1] = SRC_CONVERT(rgba[i][GCOMP]); |
| } |
| break; |
| |
| case GL_RGB_INTEGER_EXT: |
| for (i=0;i<n;i++) { |
| dst[i*3+0] = SRC_CONVERT(rgba[i][RCOMP]); |
| dst[i*3+1] = SRC_CONVERT(rgba[i][GCOMP]); |
| dst[i*3+2] = SRC_CONVERT(rgba[i][BCOMP]); |
| } |
| break; |
| |
| case GL_RGBA_INTEGER_EXT: |
| for (i=0;i<n;i++) { |
| dst[i*4+0] = SRC_CONVERT(rgba[i][RCOMP]); |
| dst[i*4+1] = SRC_CONVERT(rgba[i][GCOMP]); |
| dst[i*4+2] = SRC_CONVERT(rgba[i][BCOMP]); |
| dst[i*4+3] = SRC_CONVERT(rgba[i][ACOMP]); |
| } |
| break; |
| |
| case GL_BGR_INTEGER_EXT: |
| for (i=0;i<n;i++) { |
| dst[i*3+0] = SRC_CONVERT(rgba[i][BCOMP]); |
| dst[i*3+1] = SRC_CONVERT(rgba[i][GCOMP]); |
| dst[i*3+2] = SRC_CONVERT(rgba[i][RCOMP]); |
| } |
| break; |
| |
| case GL_BGRA_INTEGER_EXT: |
| for (i=0;i<n;i++) { |
| dst[i*4+0] = SRC_CONVERT(rgba[i][BCOMP]); |
| dst[i*4+1] = SRC_CONVERT(rgba[i][GCOMP]); |
| dst[i*4+2] = SRC_CONVERT(rgba[i][RCOMP]); |
| dst[i*4+3] = SRC_CONVERT(rgba[i][ACOMP]); |
| } |
| break; |
| |
| case GL_LUMINANCE_INTEGER_EXT: |
| for (i=0;i<n;i++) { |
| dst[i] = SRC_CONVERT(rgba[i][RCOMP] + |
| rgba[i][GCOMP] + |
| rgba[i][BCOMP]); |
| } |
| break; |
| |
| case GL_LUMINANCE_ALPHA_INTEGER_EXT: |
| for (i=0;i<n;i++) { |
| dst[i*2+0] = SRC_CONVERT(rgba[i][RCOMP] + |
| rgba[i][GCOMP] + |
| rgba[i][BCOMP]); |
| dst[i*2+1] = SRC_CONVERT(rgba[i][ACOMP]); |
| } |
| break; |
| |
| default: |
| _mesa_problem(ctx, |
| "Unsupported format (%s)", |
| _mesa_lookup_enum_by_nr(dstFormat)); |
| break; |
| } |
| } |