From f959f6e1dc27c71fc0ccc56e09b29101b3bf3b97 Mon Sep 17 00:00:00 2001 From: Brian Paul Date: Thu, 22 Apr 2004 00:27:31 +0000 Subject: New glTexImage code. The gl_texture_format struct now has a StoreTexImageFunc that's called by glTex[Sub]Image[123]D to convert the user's texture data into the specific texture format layout. Now it's much easier to add new texture formats (like the 16/32-bit floating point formats). The texutil.[ch] and texutil_tmp.h files are obsolete. --- src/mesa/main/texformat_tmp.h | 338 ++++++++++++++++++++++++++++++++++++++---- 1 file changed, 306 insertions(+), 32 deletions(-) (limited to 'src/mesa/main/texformat_tmp.h') diff --git a/src/mesa/main/texformat_tmp.h b/src/mesa/main/texformat_tmp.h index 1ec9bb33b4..ba52a8812a 100644 --- a/src/mesa/main/texformat_tmp.h +++ b/src/mesa/main/texformat_tmp.h @@ -1,20 +1,3 @@ -/** - * \file texformat_tmp.h - * Texel fetch functions template. - * - * This template file is used by texformat.c to generate texel fetch functions - * for 1-D, 2-D and 3-D texture images. - * - * It should be expanded by definining \p DIM as the number texture dimensions - * (1, 2 or 3). According to the value of \p DIM a serie of macros is defined - * for the texel lookup in the gl_texture_image::Data. - * - * \sa texformat.c and FetchTexel. - * - * \author Gareth Hughes - * \author Brian Paul - */ - /* * Mesa 3-D graphics library * Version: 6.1 @@ -40,6 +23,24 @@ */ +/** + * \file texformat_tmp.h + * Texel fetch functions template. + * + * This template file is used by texformat.c to generate texel fetch functions + * for 1-D, 2-D and 3-D texture images. + * + * It should be expanded by defining \p DIM as the number texture dimensions + * (1, 2 or 3). According to the value of \p DIM a series of macros is defined + * for the texel lookup in the gl_texture_image::Data. + * + * \sa texformat.c and FetchTexel. + * + * \author Gareth Hughes + * \author Brian Paul + */ + + #if DIM == 1 #define CHAN_SRC( t, i, j, k, sz ) \ @@ -51,7 +52,7 @@ #define FLOAT_SRC( t, i, j, k, sz ) \ ((GLfloat *)(t)->Data + (i) * (sz)) #define HALF_SRC( t, i, j, k, sz ) \ - ((GLhalfNV *)(t)->Data + (i) * (sz)) + ((GLhalfARB *)(t)->Data + (i) * (sz)) #define FETCH(x) fetch_texel_1d_##x @@ -66,7 +67,7 @@ #define FLOAT_SRC( t, i, j, k, sz ) \ ((GLfloat *)(t)->Data + ((t)->RowStride * (j) + (i)) * (sz)) #define HALF_SRC( t, i, j, k, sz ) \ - ((GLhalfNV *)(t)->Data + ((t)->RowStride * (j) + (i)) * (sz)) + ((GLhalfARB *)(t)->Data + ((t)->RowStride * (j) + (i)) * (sz)) #define FETCH(x) fetch_texel_2d_##x @@ -85,7 +86,7 @@ ((GLfloat *)(t)->Data + (((t)->Height * (k) + (j)) * \ (t)->RowStride + (i)) * (sz)) #define HALF_SRC( t, i, j, k, sz ) \ - ((GLhalfNV *)(t)->Data + (((t)->Height * (k) + (j)) * \ + ((GLhalfARB *)(t)->Data + (((t)->Height * (k) + (j)) * \ (t)->RowStride + (i)) * (sz)) #define FETCH(x) fetch_texel_3d_##x @@ -244,9 +245,11 @@ static void FETCH(f_color_index)( const struct gl_texture_image *texImage, } -/* Fetch depth texel from 1D, 2D or 3D DEPTH texture, returning 1 GLfloat */ -/* Note: no GLchan version of this function */ -static void FETCH(f_depth_component)( const struct gl_texture_image *texImage, +/* Fetch depth texel from 1D, 2D or 3D float32 DEPTH texture, + * returning 1 GLfloat. + * Note: no GLchan version of this function. + */ +static void FETCH(f_depth_component_f32)( const struct gl_texture_image *texImage, GLint i, GLint j, GLint k, GLfloat *texel ) { const GLfloat *src = FLOAT_SRC( texImage, i, j, k, 1 ); @@ -254,6 +257,31 @@ static void FETCH(f_depth_component)( const struct gl_texture_image *texImage, } +/* Fetch depth texel from 1D, 2D or 3D float32 DEPTH texture, + * returning 1 GLfloat. + * Note: no GLchan version of this function. + */ +static void FETCH(f_depth_component16)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLushort *src = USHORT_SRC( texImage, i, j, k ); + texel[0] = src[0] * (1.0F / 65535.0F); +} + + +/* Fetch color texel from 1D, 2D or 3D RGBA_FLOAT32 texture, + * returning 4 GLchans. + */ +static void FETCH(rgba_f32)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLchan *texel ) +{ + const GLfloat *src = FLOAT_SRC( texImage, i, j, k, 4 ); + UNCLAMPED_FLOAT_TO_CHAN(texel[RCOMP], src[0]); + UNCLAMPED_FLOAT_TO_CHAN(texel[GCOMP], src[1]); + UNCLAMPED_FLOAT_TO_CHAN(texel[BCOMP], src[2]); + UNCLAMPED_FLOAT_TO_CHAN(texel[ACOMP], src[3]); +} + /* Fetch color texel from 1D, 2D or 3D RGBA_FLOAT32 texture, * returning 4 GLfloats. */ @@ -267,19 +295,44 @@ static void FETCH(f_rgba_f32)( const struct gl_texture_image *texImage, texel[ACOMP] = src[3]; } +/* Fetch color texel from 1D, 2D or 3D RGBA_FLOAT16 texture, + * returning 4 GLchans. + */ +static void FETCH(rgba_f16)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLchan *texel ) +{ + const GLhalfARB *src = HALF_SRC( texImage, i, j, k, 4 ); + UNCLAMPED_FLOAT_TO_CHAN(texel[RCOMP], _mesa_half_to_float(src[0])); + UNCLAMPED_FLOAT_TO_CHAN(texel[GCOMP], _mesa_half_to_float(src[1])); + UNCLAMPED_FLOAT_TO_CHAN(texel[BCOMP], _mesa_half_to_float(src[2])); + UNCLAMPED_FLOAT_TO_CHAN(texel[ACOMP], _mesa_half_to_float(src[3])); +} + /* Fetch color texel from 1D, 2D or 3D RGBA_FLOAT16 texture, * returning 4 GLfloats. */ static void FETCH(f_rgba_f16)( const struct gl_texture_image *texImage, GLint i, GLint j, GLint k, GLfloat *texel ) { - const GLhalfNV *src = HALF_SRC( texImage, i, j, k, 4 ); + const GLhalfARB *src = HALF_SRC( texImage, i, j, k, 4 ); texel[RCOMP] = _mesa_half_to_float(src[0]); texel[GCOMP] = _mesa_half_to_float(src[1]); texel[BCOMP] = _mesa_half_to_float(src[2]); texel[ACOMP] = _mesa_half_to_float(src[3]); } +/* Fetch color texel from 1D, 2D or 3D RGB_FLOAT32 texture, + * returning 4 GLchans. + */ +static void FETCH(rgb_f32)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLchan *texel ) +{ + const GLfloat *src = FLOAT_SRC( texImage, i, j, k, 3 ); + UNCLAMPED_FLOAT_TO_CHAN(texel[RCOMP], src[0]); + UNCLAMPED_FLOAT_TO_CHAN(texel[GCOMP], src[1]); + UNCLAMPED_FLOAT_TO_CHAN(texel[BCOMP], src[2]); + texel[ACOMP] = CHAN_MAX; +} /* Fetch color texel from 1D, 2D or 3D RGB_FLOAT32 texture, * returning 4 GLfloats. @@ -294,19 +347,240 @@ static void FETCH(f_rgb_f32)( const struct gl_texture_image *texImage, texel[ACOMP] = CHAN_MAXF; } +/* Fetch color texel from 1D, 2D or 3D RGBA_FLOAT16 texture, + * returning 4 GLchans. + */ +static void FETCH(rgb_f16)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLchan *texel ) +{ + const GLhalfARB *src = HALF_SRC( texImage, i, j, k, 3 ); + UNCLAMPED_FLOAT_TO_CHAN(texel[RCOMP], _mesa_half_to_float(src[0])); + UNCLAMPED_FLOAT_TO_CHAN(texel[GCOMP], _mesa_half_to_float(src[1])); + UNCLAMPED_FLOAT_TO_CHAN(texel[BCOMP], _mesa_half_to_float(src[2])); + texel[ACOMP] = CHAN_MAX; +} + /* Fetch color texel from 1D, 2D or 3D RGB_FLOAT16 texture, * returning 4 GLfloats. */ static void FETCH(f_rgb_f16)( const struct gl_texture_image *texImage, GLint i, GLint j, GLint k, GLfloat *texel ) { - const GLhalfNV *src = HALF_SRC( texImage, i, j, k, 3 ); + const GLhalfARB *src = HALF_SRC( texImage, i, j, k, 3 ); texel[RCOMP] = _mesa_half_to_float(src[0]); texel[GCOMP] = _mesa_half_to_float(src[1]); texel[BCOMP] = _mesa_half_to_float(src[2]); texel[ACOMP] = CHAN_MAXF; } +/* Fetch color texel from 1D, 2D or 3D ALPHA_FLOAT32 texture, + * returning 4 GLchans. + */ +static void FETCH(alpha_f32)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLchan *texel ) +{ + const GLfloat *src = FLOAT_SRC( texImage, i, j, k, 1 ); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = 0; + UNCLAMPED_FLOAT_TO_CHAN(texel[ACOMP], src[0]); +} + +/* Fetch color texel from 1D, 2D or 3D ALPHA_FLOAT32 texture, + * returning 4 GLfloats. + */ +static void FETCH(f_alpha_f32)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLfloat *src = FLOAT_SRC( texImage, i, j, k, 1 ); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = 0.0F; + texel[ACOMP] = src[0]; +} + +/* Fetch color texel from 1D, 2D or 3D ALPHA_FLOAT16 texture, + * returning 4 GLchans. + */ +static void FETCH(alpha_f16)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLchan *texel ) +{ + const GLhalfARB *src = HALF_SRC( texImage, i, j, k, 1 ); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = 0; + UNCLAMPED_FLOAT_TO_CHAN(texel[ACOMP], _mesa_half_to_float(src[0])); +} + +/* Fetch color texel from 1D, 2D or 3D ALPHA_FLOAT16 texture, + * returning 4 GLfloats. + */ +static void FETCH(f_alpha_f16)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLhalfARB *src = HALF_SRC( texImage, i, j, k, 1 ); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = 0.0F; + texel[ACOMP] = _mesa_half_to_float(src[0]); +} + +/* Fetch color texel from 1D, 2D or 3D LUMINANCE_FLOAT32 texture, + * returning 4 GLchans. + */ +static void FETCH(luminance_f32)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLchan *texel ) +{ + const GLfloat *src = FLOAT_SRC( texImage, i, j, k, 1 ); + UNCLAMPED_FLOAT_TO_CHAN(texel[RCOMP], src[0]); + texel[GCOMP] = + texel[BCOMP] = texel[RCOMP]; + texel[ACOMP] = CHAN_MAX; +} + +/* Fetch color texel from 1D, 2D or 3D LUMINANCE_FLOAT32 texture, + * returning 4 GLfloats. + */ +static void FETCH(f_luminance_f32)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLfloat *src = FLOAT_SRC( texImage, i, j, k, 1 ); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = src[0]; + texel[ACOMP] = CHAN_MAXF; +} + +/* Fetch color texel from 1D, 2D or 3D LUMINANCE_FLOAT16 texture, + * returning 4 GLchans. + */ +static void FETCH(luminance_f16)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLchan *texel ) +{ + const GLhalfARB *src = HALF_SRC( texImage, i, j, k, 1 ); + UNCLAMPED_FLOAT_TO_CHAN(texel[RCOMP], _mesa_half_to_float(src[0])); + texel[GCOMP] = + texel[BCOMP] = texel[RCOMP]; + texel[ACOMP] = CHAN_MAX; +} + +/* Fetch color texel from 1D, 2D or 3D LUMINANCE_FLOAT16 texture, + * returning 4 GLfloats. + */ +static void FETCH(f_luminance_f16)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLhalfARB *src = HALF_SRC( texImage, i, j, k, 1 ); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = _mesa_half_to_float(src[0]); + texel[ACOMP] = CHAN_MAXF; +} + +/* Fetch color texel from 1D, 2D or 3D LUMINANCE_ALPHA_FLOAT32 texture, + * returning 4 GLchans. + */ +static void FETCH(luminance_alpha_f32)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLchan *texel ) +{ + const GLfloat *src = FLOAT_SRC( texImage, i, j, k, 2 ); + UNCLAMPED_FLOAT_TO_CHAN(texel[RCOMP], src[0]); + texel[GCOMP] = + texel[BCOMP] = texel[RCOMP]; + UNCLAMPED_FLOAT_TO_CHAN(texel[ACOMP], src[1]); +} + +/* Fetch color texel from 1D, 2D or 3D LUMINANCE_ALPHA_FLOAT32 texture, + * returning 4 GLfloats. + */ +static void FETCH(f_luminance_alpha_f32)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLfloat *src = FLOAT_SRC( texImage, i, j, k, 2 ); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = src[0]; + texel[ACOMP] = src[1]; +} + +/* Fetch color texel from 1D, 2D or 3D LUMINANCE_ALPHA_FLOAT16 texture, + * returning 4 GLfloats. + */ +static void FETCH(luminance_alpha_f16)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLchan *texel ) +{ + const GLhalfARB *src = HALF_SRC( texImage, i, j, k, 2 ); + UNCLAMPED_FLOAT_TO_CHAN(texel[RCOMP], _mesa_half_to_float(src[0])); + texel[GCOMP] = + texel[BCOMP] = texel[RCOMP]; + UNCLAMPED_FLOAT_TO_CHAN(texel[ACOMP], _mesa_half_to_float(src[1])); +} + +/* Fetch color texel from 1D, 2D or 3D LUMINANCE_ALPHA_FLOAT16 texture, + * returning 4 GLfloats. + */ +static void FETCH(f_luminance_alpha_f16)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLhalfARB *src = HALF_SRC( texImage, i, j, k, 2 ); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = _mesa_half_to_float(src[0]); + texel[ACOMP] = _mesa_half_to_float(src[1]); +} + +/* Fetch color texel from 1D, 2D or 3D INTENSITY_FLOAT32 texture, + * returning 4 GLchans. + */ +static void FETCH(intensity_f32)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLchan *texel ) +{ + const GLfloat *src = FLOAT_SRC( texImage, i, j, k, 1 ); + UNCLAMPED_FLOAT_TO_CHAN(texel[RCOMP], src[0]); + texel[GCOMP] = + texel[BCOMP] = + texel[ACOMP] = texel[RCOMP]; +} + +/* Fetch color texel from 1D, 2D or 3D INTENSITY_FLOAT32 texture, + * returning 4 GLfloats. + */ +static void FETCH(f_intensity_f32)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLfloat *src = FLOAT_SRC( texImage, i, j, k, 1 ); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = + texel[ACOMP] = src[0]; +} + +/* Fetch color texel from 1D, 2D or 3D INTENSITY_FLOAT16 texture, + * returning 4 GLchans. + */ +static void FETCH(intensity_f16)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLchan *texel ) +{ + const GLhalfARB *src = HALF_SRC( texImage, i, j, k, 1 ); + UNCLAMPED_FLOAT_TO_CHAN(texel[RCOMP], _mesa_half_to_float(src[0])); + texel[GCOMP] = + texel[BCOMP] = + texel[ACOMP] = texel[RCOMP]; +} + +/* Fetch color texel from 1D, 2D or 3D INTENSITY_FLOAT16 texture, + * returning 4 GLfloats. + */ +static void FETCH(f_intensity_f16)( const struct gl_texture_image *texImage, + GLint i, GLint j, GLint k, GLfloat *texel ) +{ + const GLhalfARB *src = HALF_SRC( texImage, i, j, k, 1 ); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = + texel[ACOMP] = _mesa_half_to_float(src[0]); +} + /* @@ -510,8 +784,8 @@ static void FETCH(a8)( const struct gl_texture_image *texImage, GLint i, GLint j, GLint k, GLchan *texel ) { const GLubyte *src = UBYTE_SRC( texImage, i, j, k, 1 ); - texel[RCOMP] = 0; - texel[GCOMP] = 0; + texel[RCOMP] = + texel[GCOMP] = texel[BCOMP] = 0; texel[ACOMP] = UBYTE_TO_CHAN( src[0] ); } @@ -533,8 +807,8 @@ static void FETCH(l8)( const struct gl_texture_image *texImage, GLint i, GLint j, GLint k, GLchan *texel ) { const GLubyte *src = UBYTE_SRC( texImage, i, j, k, 1 ); - texel[RCOMP] = UBYTE_TO_CHAN( src[0] ); - texel[GCOMP] = UBYTE_TO_CHAN( src[0] ); + texel[RCOMP] = + texel[GCOMP] = texel[BCOMP] = UBYTE_TO_CHAN( src[0] ); texel[ACOMP] = CHAN_MAX; } @@ -556,9 +830,9 @@ static void FETCH(i8)( const struct gl_texture_image *texImage, GLint i, GLint j, GLint k, GLchan *texel ) { const GLubyte *src = UBYTE_SRC( texImage, i, j, k, 1 ); - texel[RCOMP] = UBYTE_TO_CHAN( src[0] ); - texel[GCOMP] = UBYTE_TO_CHAN( src[0] ); - texel[BCOMP] = UBYTE_TO_CHAN( src[0] ); + texel[RCOMP] = + texel[GCOMP] = + texel[BCOMP] = texel[ACOMP] = UBYTE_TO_CHAN( src[0] ); } -- cgit v1.2.3