[Mesa-dev] [PATCH 6/6] mesa/teximage: reuse compressed format utility functions for base_format
Nanley Chery
nanleychery at gmail.com
Wed Sep 16 10:15:55 PDT 2015
On Tue, Sep 15, 2015 at 3:01 PM, Anuj Phogat <anuj.phogat at gmail.com> wrote:
>
>
> On Fri, Aug 28, 2015 at 7:50 AM, Nanley Chery <nanleychery at gmail.com>
> wrote:
>
>> From: Nanley Chery <nanley.g.chery at intel.com>
>>
>> Reuse utility functions instead of reimplementing the same logic.
>>
>> * _mesa_is_compressed_format() performs the required checking to
>> determine format support in the current context.
>> * _mesa_gl_compressed_format_base_format() returns the base format.
>>
>> Signed-off-by: Nanley Chery <nanley.g.chery at intel.com>
>> ---
>> src/mesa/main/teximage.c | 150
>> ++---------------------------------------------
>> 1 file changed, 5 insertions(+), 145 deletions(-)
>>
>> diff --git a/src/mesa/main/teximage.c b/src/mesa/main/teximage.c
>> index 39d1281..8913a72 100644
>> --- a/src/mesa/main/teximage.c
>> +++ b/src/mesa/main/teximage.c
>> @@ -252,44 +252,11 @@ _mesa_base_tex_format( struct gl_context *ctx,
>> GLint internalFormat )
>> ; /* fallthrough */
>> }
>>
>> - if (ctx->Extensions.TDFX_texture_compression_FXT1) {
>> - switch (internalFormat) {
>> - case GL_COMPRESSED_RGB_FXT1_3DFX:
>> - return GL_RGB;
>> - case GL_COMPRESSED_RGBA_FXT1_3DFX:
>> - return GL_RGBA;
>> - default:
>> - ; /* fallthrough */
>> - }
>> - }
>> -
>> - /* Assume that the ANGLE flag will always be set if the EXT flag is
>> set.
>> - */
>> - if (ctx->Extensions.ANGLE_texture_compression_dxt) {
>> - switch (internalFormat) {
>> - case GL_COMPRESSED_RGB_S3TC_DXT1_EXT:
>> - return GL_RGB;
>> - case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT:
>> - case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT:
>> - case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT:
>> - return GL_RGBA;
>> - default:
>> - ; /* fallthrough */
>> - }
>> - }
>> -
>> - if (_mesa_is_desktop_gl(ctx)
>> - && ctx->Extensions.ANGLE_texture_compression_dxt) {
>> - switch (internalFormat) {
>> - case GL_RGB_S3TC:
>> - case GL_RGB4_S3TC:
>> - return GL_RGB;
>> - case GL_RGBA_S3TC:
>> - case GL_RGBA4_S3TC:
>> - return GL_RGBA;
>> - default:
>> - ; /* fallthrough */
>> - }
>> + if (_mesa_is_compressed_format(ctx, internalFormat)) {
>> + GLenum base_compressed =
>> + _mesa_gl_compressed_format_base_format(internalFormat);
>> + if (base_compressed)
>> + return base_compressed;
>> }
>>
>> if (ctx->Extensions.MESA_ycbcr_texture) {
>> @@ -367,16 +334,10 @@ _mesa_base_tex_format( struct gl_context *ctx,
>> GLint internalFormat )
>> case GL_SRGB8_EXT:
>> case GL_COMPRESSED_SRGB_EXT:
>> return GL_RGB;
>> - case GL_COMPRESSED_SRGB_S3TC_DXT1_EXT:
>> - return ctx->Extensions.EXT_texture_compression_s3tc ? GL_RGB :
>> -1;
>> case GL_SRGB_ALPHA_EXT:
>> case GL_SRGB8_ALPHA8_EXT:
>> case GL_COMPRESSED_SRGB_ALPHA_EXT:
>> return GL_RGBA;
>> - case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT:
>> - case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT:
>> - case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT:
>> - return ctx->Extensions.EXT_texture_compression_s3tc ? GL_RGBA :
>> -1;
>> case GL_SLUMINANCE_ALPHA_EXT:
>> case GL_SLUMINANCE8_ALPHA8_EXT:
>> case GL_COMPRESSED_SLUMINANCE_ALPHA_EXT:
>> @@ -521,111 +482,10 @@ _mesa_base_tex_format( struct gl_context *ctx,
>> GLint internalFormat )
>> }
>> }
>>
>> - if (ctx->Extensions.ARB_texture_compression_rgtc) {
>> - switch (internalFormat) {
>> - case GL_COMPRESSED_RED_RGTC1:
>> - case GL_COMPRESSED_SIGNED_RED_RGTC1:
>> - return GL_RED;
>> - case GL_COMPRESSED_RG_RGTC2:
>> - case GL_COMPRESSED_SIGNED_RG_RGTC2:
>> - return GL_RG;
>> - default:
>> - ; /* fallthrough */
>> - }
>> - }
>> -
>> - if (_mesa_is_desktop_gl(ctx) &&
>> - ctx->Extensions.EXT_texture_compression_latc) {
>> - switch (internalFormat) {
>> - case GL_COMPRESSED_LUMINANCE_LATC1_EXT:
>> - case GL_COMPRESSED_SIGNED_LUMINANCE_LATC1_EXT:
>> - return GL_LUMINANCE;
>> - case GL_COMPRESSED_LUMINANCE_ALPHA_LATC2_EXT:
>> - case GL_COMPRESSED_SIGNED_LUMINANCE_ALPHA_LATC2_EXT:
>> - return GL_LUMINANCE_ALPHA;
>> - default:
>> - ; /* fallthrough */
>> - }
>> - }
>> -
>> - if (_mesa_is_desktop_gl(ctx) &&
>> - ctx->Extensions.ATI_texture_compression_3dc) {
>> - switch (internalFormat) {
>> - case GL_COMPRESSED_LUMINANCE_ALPHA_3DC_ATI:
>> - return GL_LUMINANCE_ALPHA;
>> - default:
>> - ; /* fallthrough */
>> - }
>> - }
>> -
>> - if (_mesa_is_gles(ctx) &&
>> - ctx->Extensions.OES_compressed_ETC1_RGB8_texture) {
>> - switch (internalFormat) {
>> - case GL_ETC1_RGB8_OES:
>> - return GL_RGB;
>> - default:
>> - ; /* fallthrough */
>> - }
>> - }
>> -
>> if (ctx->Extensions.KHR_texture_compression_astc_ldr &&
>> _mesa_is_astc_format(internalFormat))
>> return GL_RGBA;
>>
>> - if (_mesa_is_gles3(ctx) || ctx->Extensions.ARB_ES3_compatibility) {
>> - switch (internalFormat) {
>> - case GL_COMPRESSED_RGB8_ETC2:
>> - case GL_COMPRESSED_SRGB8_ETC2:
>> - return GL_RGB;
>> - case GL_COMPRESSED_RGBA8_ETC2_EAC:
>> - case GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC:
>> - case GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2:
>> - case GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2:
>> - return GL_RGBA;
>> - case GL_COMPRESSED_R11_EAC:
>> - case GL_COMPRESSED_SIGNED_R11_EAC:
>> - return GL_RED;
>> - case GL_COMPRESSED_RG11_EAC:
>> - case GL_COMPRESSED_SIGNED_RG11_EAC:
>> - return GL_RG;
>> - default:
>> - ; /* fallthrough */
>> - }
>> - }
>> -
>> - if (_mesa_is_desktop_gl(ctx) &&
>> - ctx->Extensions.ARB_texture_compression_bptc) {
>> - switch (internalFormat) {
>> - case GL_COMPRESSED_RGBA_BPTC_UNORM:
>> - case GL_COMPRESSED_SRGB_ALPHA_BPTC_UNORM:
>> - return GL_RGBA;
>> - case GL_COMPRESSED_RGB_BPTC_SIGNED_FLOAT:
>> - case GL_COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT:
>> - return GL_RGB;
>> - default:
>> - ; /* fallthrough */
>> - }
>> - }
>> -
>> - if (ctx->API == API_OPENGLES) {
>> - switch (internalFormat) {
>> - case GL_PALETTE4_RGB8_OES:
>> - case GL_PALETTE4_R5_G6_B5_OES:
>> - case GL_PALETTE8_RGB8_OES:
>> - case GL_PALETTE8_R5_G6_B5_OES:
>> - return GL_RGB;
>> - case GL_PALETTE4_RGBA8_OES:
>> - case GL_PALETTE8_RGB5_A1_OES:
>> - case GL_PALETTE4_RGBA4_OES:
>> - case GL_PALETTE4_RGB5_A1_OES:
>> - case GL_PALETTE8_RGBA8_OES:
>> - case GL_PALETTE8_RGBA4_OES:
>> - return GL_RGBA;
>> - default:
>> - ; /* fallthrough */
>> - }
>> - }
>> -
>> return -1; /* error */
>> }
>>
>> --
>> 2.5.0
>>
>> _______________________________________________
>> mesa-dev mailing list
>> mesa-dev at lists.freedesktop.org
>> http://lists.freedesktop.org/mailman/listinfo/mesa-dev
>>
>
> Nice cleanup Nanley.
>
>
Thanks!
> Reviewed-by: Anuj Phogat <anuj.phogat at gmail.com>
>
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