From: Marek Olšák Date: Tue, 15 Feb 2011 23:35:44 +0000 (+0100) Subject: mesa: add R/RG floating-point formats X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=0ecbb0ab7472fe5cb33be13a8307e16f875254e5;p=mesa.git mesa: add R/RG floating-point formats --- diff --git a/src/mesa/main/formats.c b/src/mesa/main/formats.c index b45cf03995b..4c31ccb763c 100644 --- a/src/mesa/main/formats.c +++ b/src/mesa/main/formats.c @@ -728,6 +728,42 @@ static struct gl_format_info format_info[MESA_FORMAT_COUNT] = 0, 16, 0, 0, 0, 1, 1, 2 }, + { + MESA_FORMAT_R_FLOAT32, + "MESA_FORMAT_R_FLOAT32", + GL_RED, + GL_FLOAT, + 32, 0, 0, 0, + 0, 0, 0, 0, 0, + 1, 1, 4 + }, + { + MESA_FORMAT_R_FLOAT16, + "MESA_FORMAT_R_FLOAT16", + GL_RED, + GL_FLOAT, + 16, 0, 0, 0, + 0, 0, 0, 0, 0, + 1, 1, 2 + }, + { + MESA_FORMAT_RG_FLOAT32, + "MESA_FORMAT_RG_FLOAT32", + GL_RG, + GL_FLOAT, + 32, 32, 0, 0, + 0, 0, 0, 0, 0, + 1, 1, 8 + }, + { + MESA_FORMAT_RG_FLOAT16, + "MESA_FORMAT_RG_FLOAT16", + GL_RG, + GL_FLOAT, + 16, 16, 0, 0, + 0, 0, 0, 0, 0, + 1, 1, 4 + }, /* unnormalized signed int formats */ { @@ -1714,22 +1750,26 @@ _mesa_format_to_type_and_comps(gl_format format, *comps = 3; return; case MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32: + case MESA_FORMAT_RG_FLOAT32: *datatype = GL_FLOAT; *comps = 2; return; case MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16: + case MESA_FORMAT_RG_FLOAT16: *datatype = GL_HALF_FLOAT_ARB; *comps = 2; return; case MESA_FORMAT_ALPHA_FLOAT32: case MESA_FORMAT_LUMINANCE_FLOAT32: case MESA_FORMAT_INTENSITY_FLOAT32: + case MESA_FORMAT_R_FLOAT32: *datatype = GL_FLOAT; *comps = 1; return; case MESA_FORMAT_ALPHA_FLOAT16: case MESA_FORMAT_LUMINANCE_FLOAT16: case MESA_FORMAT_INTENSITY_FLOAT16: + case MESA_FORMAT_R_FLOAT16: *datatype = GL_HALF_FLOAT_ARB; *comps = 1; return; diff --git a/src/mesa/main/formats.h b/src/mesa/main/formats.h index e0c2acbb9e9..15ac62cfef9 100644 --- a/src/mesa/main/formats.h +++ b/src/mesa/main/formats.h @@ -142,6 +142,10 @@ typedef enum MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16, MESA_FORMAT_INTENSITY_FLOAT32, MESA_FORMAT_INTENSITY_FLOAT16, + MESA_FORMAT_R_FLOAT32, + MESA_FORMAT_R_FLOAT16, + MESA_FORMAT_RG_FLOAT32, + MESA_FORMAT_RG_FLOAT16, /*@}*/ /** diff --git a/src/mesa/main/texfetch.c b/src/mesa/main/texfetch.c index caabc19bb17..d091789ff16 100644 --- a/src/mesa/main/texfetch.c +++ b/src/mesa/main/texfetch.c @@ -631,6 +631,34 @@ texfetch_funcs[MESA_FORMAT_COUNT] = fetch_texel_3d_f_intensity_f16, store_texel_intensity_f16 }, + { + MESA_FORMAT_R_FLOAT32, + fetch_texel_1d_f_r_f32, + fetch_texel_2d_f_r_f32, + fetch_texel_3d_f_r_f32, + store_texel_r_f32 + }, + { + MESA_FORMAT_R_FLOAT16, + fetch_texel_1d_f_r_f16, + fetch_texel_2d_f_r_f16, + fetch_texel_3d_f_r_f16, + store_texel_r_f16 + }, + { + MESA_FORMAT_RG_FLOAT32, + fetch_texel_1d_f_rg_f32, + fetch_texel_2d_f_rg_f32, + fetch_texel_3d_f_rg_f32, + store_texel_rg_f32 + }, + { + MESA_FORMAT_RG_FLOAT16, + fetch_texel_1d_f_rg_f16, + fetch_texel_2d_f_rg_f16, + fetch_texel_3d_f_rg_f16, + store_texel_rg_f16 + }, /* non-normalized, signed int */ { diff --git a/src/mesa/main/texfetch_tmp.h b/src/mesa/main/texfetch_tmp.h index f1f6a01a4b9..0b9d5da07e8 100644 --- a/src/mesa/main/texfetch_tmp.h +++ b/src/mesa/main/texfetch_tmp.h @@ -438,6 +438,110 @@ static void store_texel_intensity_f16(struct gl_texture_image *texImage, #endif +/* MESA_FORMAT_R_FLOAT32 *****************************************************/ + +/* Fetch texel from 1D, 2D or 3D R_FLOAT32 texture, + * returning 4 GLfloats. + */ +static void FETCH(f_r_f32)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLfloat *src = TEXEL_ADDR(GLfloat, texImage, i, j, k, 1); + texel[RCOMP] = src[0]; + texel[GCOMP] = 0.0F; + texel[BCOMP] = 0.0F; + texel[ACOMP] = 1.0F; +} + +#if DIM == 3 +static void store_texel_r_f32(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLfloat *rgba = (const GLfloat *) texel; + GLfloat *dst = TEXEL_ADDR(GLfloat, texImage, i, j, k, 1); + dst[0] = rgba[RCOMP]; +} +#endif + + +/* MESA_FORMAT_R_FLOAT16 *****************************************************/ + +/* Fetch texel from 1D, 2D or 3D R_FLOAT16 texture, + * returning 4 GLfloats. + */ +static void FETCH(f_r_f16)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLhalfARB *src = TEXEL_ADDR(GLhalfARB, texImage, i, j, k, 1); + texel[RCOMP] = _mesa_half_to_float(src[0]); + texel[GCOMP] = 0.0F; + texel[BCOMP] = 0.0F; + texel[ACOMP] = 1.0F; +} + +#if DIM == 3 +static void store_texel_r_f16(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLfloat *rgba = (const GLfloat *) texel; + GLhalfARB *dst = TEXEL_ADDR(GLhalfARB, texImage, i, j, k, 1); + dst[0] = _mesa_float_to_half(rgba[RCOMP]); +} +#endif + + +/* MESA_FORMAT_RG_FLOAT32 ****************************************************/ + +/* Fetch texel from 1D, 2D or 3D RG_FLOAT32 texture, + * returning 4 GLfloats. + */ +static void FETCH(f_rg_f32)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLfloat *src = TEXEL_ADDR(GLfloat, texImage, i, j, k, 2); + texel[RCOMP] = src[0]; + texel[GCOMP] = src[1]; + texel[BCOMP] = 0.0F; + texel[ACOMP] = 1.0F; +} + +#if DIM == 3 +static void store_texel_rg_f32(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLfloat *rgba = (const GLfloat *) texel; + GLfloat *dst = TEXEL_ADDR(GLfloat, texImage, i, j, k, 2); + dst[0] = rgba[RCOMP]; + dst[1] = rgba[GCOMP]; +} +#endif + + +/* MESA_FORMAT_RG_FLOAT16 ****************************************************/ + +/* Fetch texel from 1D, 2D or 3D RG_FLOAT16 texture, + * returning 4 GLfloats. + */ +static void FETCH(f_rg_f16)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLhalfARB *src = TEXEL_ADDR(GLhalfARB, texImage, i, j, k, 2); + texel[RCOMP] = _mesa_half_to_float(src[0]); + texel[GCOMP] = _mesa_half_to_float(src[1]); + texel[BCOMP] = 0.0F; + texel[ACOMP] = 1.0F; +} + +#if DIM == 3 +static void store_texel_rg_f16(struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, const void *texel) +{ + const GLfloat *rgba = (const GLfloat *) texel; + GLhalfARB *dst = TEXEL_ADDR(GLhalfARB, texImage, i, j, k, 2); + dst[0] = _mesa_float_to_half(rgba[RCOMP]); + dst[1] = _mesa_float_to_half(rgba[GCOMP]); +} +#endif /* diff --git a/src/mesa/main/texformat.c b/src/mesa/main/texformat.c index da907455b86..97b905fd36c 100644 --- a/src/mesa/main/texformat.c +++ b/src/mesa/main/texformat.c @@ -628,6 +628,22 @@ _mesa_choose_tex_format( struct gl_context *ctx, GLint internalFormat, } } + if (ctx->Extensions.ARB_texture_rg && ctx->Extensions.ARB_texture_float) { + switch (internalFormat) { + case GL_R16F: + return MESA_FORMAT_R_FLOAT16; + case GL_R32F: + return MESA_FORMAT_R_FLOAT32; + case GL_RG16F: + return MESA_FORMAT_RG_FLOAT16; + case GL_RG32F: + return MESA_FORMAT_RG_FLOAT32; + + default: + ; /* fallthrough */ + } + } + if (ctx->Extensions.EXT_texture_format_BGRA8888) { switch (internalFormat) { case GL_BGRA: diff --git a/src/mesa/main/texstore.c b/src/mesa/main/texstore.c index 87cb327d2c1..9a690529a83 100644 --- a/src/mesa/main/texstore.c +++ b/src/mesa/main/texstore.c @@ -3535,13 +3535,17 @@ _mesa_texstore_rgba_float32(TEXSTORE_PARAMS) dstFormat == MESA_FORMAT_ALPHA_FLOAT32 || dstFormat == MESA_FORMAT_LUMINANCE_FLOAT32 || dstFormat == MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32 || - dstFormat == MESA_FORMAT_INTENSITY_FLOAT32); + dstFormat == MESA_FORMAT_INTENSITY_FLOAT32 || + dstFormat == MESA_FORMAT_R_FLOAT32 || + dstFormat == MESA_FORMAT_RG_FLOAT32); ASSERT(baseInternalFormat == GL_RGBA || baseInternalFormat == GL_RGB || baseInternalFormat == GL_ALPHA || baseInternalFormat == GL_LUMINANCE || baseInternalFormat == GL_LUMINANCE_ALPHA || - baseInternalFormat == GL_INTENSITY); + baseInternalFormat == GL_INTENSITY || + baseInternalFormat == GL_RED || + baseInternalFormat == GL_RG); ASSERT(texelBytes == components * sizeof(GLfloat)); if (!ctx->_ImageTransferState && @@ -3605,13 +3609,17 @@ _mesa_texstore_rgba_float16(TEXSTORE_PARAMS) dstFormat == MESA_FORMAT_ALPHA_FLOAT16 || dstFormat == MESA_FORMAT_LUMINANCE_FLOAT16 || dstFormat == MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16 || - dstFormat == MESA_FORMAT_INTENSITY_FLOAT16); + dstFormat == MESA_FORMAT_INTENSITY_FLOAT16 || + dstFormat == MESA_FORMAT_R_FLOAT16 || + dstFormat == MESA_FORMAT_RG_FLOAT16); ASSERT(baseInternalFormat == GL_RGBA || baseInternalFormat == GL_RGB || baseInternalFormat == GL_ALPHA || baseInternalFormat == GL_LUMINANCE || baseInternalFormat == GL_LUMINANCE_ALPHA || - baseInternalFormat == GL_INTENSITY); + baseInternalFormat == GL_INTENSITY || + baseInternalFormat == GL_RED || + baseInternalFormat == GL_RG); ASSERT(texelBytes == components * sizeof(GLhalfARB)); if (!ctx->_ImageTransferState && @@ -4252,6 +4260,10 @@ texstore_funcs[MESA_FORMAT_COUNT] = { MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16, _mesa_texstore_rgba_float16 }, { MESA_FORMAT_INTENSITY_FLOAT32, _mesa_texstore_rgba_float32 }, { MESA_FORMAT_INTENSITY_FLOAT16, _mesa_texstore_rgba_float16 }, + { MESA_FORMAT_R_FLOAT32, _mesa_texstore_rgba_float32 }, + { MESA_FORMAT_R_FLOAT16, _mesa_texstore_rgba_float16 }, + { MESA_FORMAT_RG_FLOAT32, _mesa_texstore_rgba_float32 }, + { MESA_FORMAT_RG_FLOAT16, _mesa_texstore_rgba_float16 }, { MESA_FORMAT_RGBA_INT8, _mesa_texstore_rgba_int8 }, { MESA_FORMAT_RGBA_INT16, _mesa_texstore_rgba_int16 },