diff options
Diffstat (limited to 'src/mesa/main')
| -rw-r--r-- | src/mesa/main/mipmap.c | 424 |
1 files changed, 266 insertions, 158 deletions
diff --git a/src/mesa/main/mipmap.c b/src/mesa/main/mipmap.c index 1e61829e8f1..013dc3752ec 100644 --- a/src/mesa/main/mipmap.c +++ b/src/mesa/main/mipmap.c @@ -36,27 +36,205 @@ +static GLint +bytes_per_pixel(GLenum datatype, GLuint comps) +{ + GLint b = _mesa_sizeof_packed_type(datatype); + assert(b >= 0); + return b * comps; +} + + +static void +mesa_format_to_type_and_comps(const struct gl_texture_format *format, + GLenum *datatype, GLuint *comps) +{ + switch (format->MesaFormat) { + case MESA_FORMAT_RGBA8888: + case MESA_FORMAT_RGBA8888_REV: + case MESA_FORMAT_ARGB8888: + case MESA_FORMAT_ARGB8888_REV: + *datatype = CHAN_TYPE; + *comps = 4; + return; + case MESA_FORMAT_RGB888: + case MESA_FORMAT_BGR888: + *datatype = GL_UNSIGNED_BYTE; + *comps = 3; + return; + case MESA_FORMAT_RGB565: + case MESA_FORMAT_RGB565_REV: + *datatype = GL_UNSIGNED_SHORT_5_6_5; + *comps = 3; + return; + + case MESA_FORMAT_ARGB4444: + case MESA_FORMAT_ARGB4444_REV: + *datatype = GL_UNSIGNED_SHORT_4_4_4_4; + *comps = 4; + return; + + case MESA_FORMAT_ARGB1555: + case MESA_FORMAT_ARGB1555_REV: + *datatype = GL_UNSIGNED_SHORT_1_5_5_5_REV; + *comps = 3; + return; + + case MESA_FORMAT_AL88: + case MESA_FORMAT_AL88_REV: + *datatype = GL_UNSIGNED_BYTE; + *comps = 2; + return; + case MESA_FORMAT_RGB332: + *datatype = GL_UNSIGNED_BYTE_3_3_2; + *comps = 3; + return; + + case MESA_FORMAT_A8: + case MESA_FORMAT_L8: + case MESA_FORMAT_I8: + case MESA_FORMAT_CI8: + *datatype = GL_UNSIGNED_BYTE; + *comps = 1; + return; + + case MESA_FORMAT_YCBCR: + case MESA_FORMAT_YCBCR_REV: + *datatype = GL_UNSIGNED_SHORT; + *comps = 2; + return; + + case MESA_FORMAT_Z24_S8: + *datatype = GL_UNSIGNED_INT; + *comps = 1; /* XXX OK? */ + return; + + case MESA_FORMAT_Z16: + *datatype = GL_UNSIGNED_SHORT; + *comps = 1; + return; + + case MESA_FORMAT_Z32: + *datatype = GL_UNSIGNED_INT; + *comps = 1; + return; + + case MESA_FORMAT_SRGB8: + *datatype = GL_UNSIGNED_BYTE; + *comps = 3; + return; + case MESA_FORMAT_SRGBA8: + *datatype = GL_UNSIGNED_BYTE; + *comps = 4; + return; + case MESA_FORMAT_SL8: + *datatype = GL_UNSIGNED_BYTE; + *comps = 1; + return; + case MESA_FORMAT_SLA8: + *datatype = GL_UNSIGNED_BYTE; + *comps = 2; + return; + + case MESA_FORMAT_RGB_FXT1: + case MESA_FORMAT_RGBA_FXT1: + case MESA_FORMAT_RGB_DXT1: + case MESA_FORMAT_RGBA_DXT1: + case MESA_FORMAT_RGBA_DXT3: + case MESA_FORMAT_RGBA_DXT5: + /* XXX generate error instead? */ + *datatype = GL_UNSIGNED_BYTE; + *comps = 0; + return; + + case MESA_FORMAT_RGBA: + *datatype = CHAN_TYPE; + *comps = 4; + return; + case MESA_FORMAT_RGB: + *datatype = CHAN_TYPE; + *comps = 3; + return; + case MESA_FORMAT_LUMINANCE_ALPHA: + *datatype = CHAN_TYPE; + *comps = 2; + return; + case MESA_FORMAT_ALPHA: + case MESA_FORMAT_LUMINANCE: + case MESA_FORMAT_INTENSITY: + *datatype = CHAN_TYPE; + *comps = 1; + return; + + case MESA_FORMAT_RGBA_FLOAT32: + *datatype = GL_FLOAT; + *comps = 4; + return; + case MESA_FORMAT_RGBA_FLOAT16: + *datatype = GL_HALF_FLOAT_ARB; + *comps = 4; + return; + case MESA_FORMAT_RGB_FLOAT32: + *datatype = GL_FLOAT; + *comps = 3; + return; + case MESA_FORMAT_RGB_FLOAT16: + *datatype = GL_HALF_FLOAT_ARB; + *comps = 3; + return; + case MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32: + *datatype = GL_FLOAT; + *comps = 2; + return; + case MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16: + *datatype = GL_HALF_FLOAT_ARB; + *comps = 2; + return; + case MESA_FORMAT_ALPHA_FLOAT32: + case MESA_FORMAT_LUMINANCE_FLOAT32: + case MESA_FORMAT_INTENSITY_FLOAT32: + *datatype = GL_FLOAT; + *comps = 1; + return; + case MESA_FORMAT_ALPHA_FLOAT16: + case MESA_FORMAT_LUMINANCE_FLOAT16: + case MESA_FORMAT_INTENSITY_FLOAT16: + *datatype = GL_HALF_FLOAT_ARB; + *comps = 1; + return; + + default: + _mesa_problem(NULL, "bad texture format in mesa_format_to_type_and_comps"); + *datatype = 0; + *comps = 1; + } +} + + /** * Average together two rows of a source image to produce a single new * row in the dest image. It's legal for the two source rows to point * to the same data. The source width must be equal to either the * dest width or two times the dest width. + * \param datatype GL_UNSIGNED_BYTE, GL_UNSIGNED_SHORT, GL_FLOAT, etc. + * \param comps number of components per pixel (1..4) */ static void -do_row(const struct gl_texture_format *format, GLint srcWidth, +do_row(GLenum datatype, GLuint comps, GLint srcWidth, const GLvoid *srcRowA, const GLvoid *srcRowB, GLint dstWidth, GLvoid *dstRow) { const GLuint k0 = (srcWidth == dstWidth) ? 0 : 1; const GLuint colStride = (srcWidth == dstWidth) ? 1 : 2; + ASSERT(comps >= 1); + ASSERT(comps <= 4); + /* This assertion is no longer valid with non-power-of-2 textures assert(srcWidth == dstWidth || srcWidth == 2 * dstWidth); */ - switch (format->MesaFormat) { - case MESA_FORMAT_RGBA: - { + if (datatype == CHAN_TYPE && comps == 4) { GLuint i, j, k; const GLchan (*rowA)[4] = (const GLchan (*)[4]) srcRowA; const GLchan (*rowB)[4] = (const GLchan (*)[4]) srcRowB; @@ -72,10 +250,8 @@ do_row(const struct gl_texture_format *format, GLint srcWidth, dst[i][3] = (rowA[j][3] + rowA[k][3] + rowB[j][3] + rowB[k][3]) / 4; } - } - return; - case MESA_FORMAT_RGB: - { + } + else if (datatype == CHAN_TYPE && comps == 3) { GLuint i, j, k; const GLchan (*rowA)[3] = (const GLchan (*)[3]) srcRowA; const GLchan (*rowB)[3] = (const GLchan (*)[3]) srcRowB; @@ -89,12 +265,8 @@ do_row(const struct gl_texture_format *format, GLint srcWidth, dst[i][2] = (rowA[j][2] + rowA[k][2] + rowB[j][2] + rowB[k][2]) / 4; } - } - return; - case MESA_FORMAT_ALPHA: - case MESA_FORMAT_LUMINANCE: - case MESA_FORMAT_INTENSITY: - { + } + else if (datatype == CHAN_TYPE && comps == 1) { GLuint i, j, k; const GLchan *rowA = (const GLchan *) srcRowA; const GLchan *rowB = (const GLchan *) srcRowB; @@ -103,10 +275,8 @@ do_row(const struct gl_texture_format *format, GLint srcWidth, i++, j += colStride, k += colStride) { dst[i] = (rowA[j] + rowA[k] + rowB[j] + rowB[k]) / 4; } - } - return; - case MESA_FORMAT_LUMINANCE_ALPHA: - { + } + else if (datatype == CHAN_TYPE && comps == 2) { GLuint i, j, k; const GLchan (*rowA)[2] = (const GLchan (*)[2]) srcRowA; const GLchan (*rowB)[2] = (const GLchan (*)[2]) srcRowB; @@ -118,10 +288,8 @@ do_row(const struct gl_texture_format *format, GLint srcWidth, dst[i][1] = (rowA[j][1] + rowA[k][1] + rowB[j][1] + rowB[k][1]) / 4; } - } - return; - case MESA_FORMAT_Z32: - { + } + else if (datatype == GL_UNSIGNED_INT && comps == 1) { GLuint i, j, k; const GLuint *rowA = (const GLuint *) srcRowA; const GLuint *rowB = (const GLuint *) srcRowB; @@ -130,10 +298,8 @@ do_row(const struct gl_texture_format *format, GLint srcWidth, i++, j += colStride, k += colStride) { dst[i] = rowA[j] / 4 + rowA[k] / 4 + rowB[j] / 4 + rowB[k] / 4; } - } - return; - case MESA_FORMAT_Z16: - { + } + else if (datatype == GL_UNSIGNED_SHORT && comps == 1) { GLuint i, j, k; const GLushort *rowA = (const GLushort *) srcRowA; const GLushort *rowB = (const GLushort *) srcRowB; @@ -142,17 +308,8 @@ do_row(const struct gl_texture_format *format, GLint srcWidth, i++, j += colStride, k += colStride) { dst[i] = (rowA[j] + rowA[k] + rowB[j] + rowB[k]) / 4; } - } - return; - /* Begin hardware formats */ - case MESA_FORMAT_RGBA8888: - case MESA_FORMAT_RGBA8888_REV: - case MESA_FORMAT_ARGB8888: - case MESA_FORMAT_ARGB8888_REV: -#if FEATURE_EXT_texture_sRGB - case MESA_FORMAT_SRGBA8: -#endif - { + } + else if (datatype == GL_UNSIGNED_BYTE && comps == 4) { GLuint i, j, k; const GLubyte (*rowA)[4] = (const GLubyte (*)[4]) srcRowA; const GLubyte (*rowB)[4] = (const GLubyte (*)[4]) srcRowB; @@ -168,14 +325,8 @@ do_row(const struct gl_texture_format *format, GLint srcWidth, dst[i][3] = (rowA[j][3] + rowA[k][3] + rowB[j][3] + rowB[k][3]) / 4; } - } - return; - case MESA_FORMAT_RGB888: - case MESA_FORMAT_BGR888: -#if FEATURE_EXT_texture_sRGB - case MESA_FORMAT_SRGB8: -#endif - { + } + else if (datatype == GL_UNSIGNED_BYTE && comps == 3) { GLuint i, j, k; const GLubyte (*rowA)[3] = (const GLubyte (*)[3]) srcRowA; const GLubyte (*rowB)[3] = (const GLubyte (*)[3]) srcRowB; @@ -189,11 +340,8 @@ do_row(const struct gl_texture_format *format, GLint srcWidth, dst[i][2] = (rowA[j][2] + rowA[k][2] + rowB[j][2] + rowB[k][2]) / 4; } - } - return; - case MESA_FORMAT_RGB565: - case MESA_FORMAT_RGB565_REV: - { + } + else if (datatype == GL_UNSIGNED_SHORT_5_6_5 && comps == 3) { GLuint i, j, k; const GLushort *rowA = (const GLushort *) srcRowA; const GLushort *rowB = (const GLushort *) srcRowB; @@ -217,11 +365,8 @@ do_row(const struct gl_texture_format *format, GLint srcWidth, const GLint blue = (rowAb0 + rowAb1 + rowBb0 + rowBb1) >> 2; dst[i] = (blue << 11) | (green << 5) | red; } - } - return; - case MESA_FORMAT_ARGB4444: - case MESA_FORMAT_ARGB4444_REV: - { + } + else if (datatype == GL_UNSIGNED_SHORT_4_4_4_4 && comps == 4) { GLuint i, j, k; const GLushort *rowA = (const GLushort *) srcRowA; const GLushort *rowB = (const GLushort *) srcRowB; @@ -250,11 +395,8 @@ do_row(const struct gl_texture_format *format, GLint srcWidth, const GLint alpha = (rowAa0 + rowAa1 + rowBa0 + rowBa1) >> 2; dst[i] = (alpha << 12) | (blue << 8) | (green << 4) | red; } - } - return; - case MESA_FORMAT_ARGB1555: - case MESA_FORMAT_ARGB1555_REV: /* XXX broken? */ - { + } + else if (datatype == GL_UNSIGNED_SHORT_1_5_5_5_REV && comps == 4) { GLuint i, j, k; const GLushort *rowA = (const GLushort *) srcRowA; const GLushort *rowB = (const GLushort *) srcRowB; @@ -283,14 +425,8 @@ do_row(const struct gl_texture_format *format, GLint srcWidth, const GLint alpha = (rowAa0 + rowAa1 + rowBa0 + rowBa1) >> 2; dst[i] = (alpha << 15) | (blue << 10) | (green << 5) | red; } - } - return; - case MESA_FORMAT_AL88: - case MESA_FORMAT_AL88_REV: -#if FEATURE_EXT_texture_sRGB - case MESA_FORMAT_SLA8: -#endif - { + } + else if (datatype == GL_UNSIGNED_BYTE && comps == 2) { GLuint i, j, k; const GLubyte (*rowA)[2] = (const GLubyte (*)[2]) srcRowA; const GLubyte (*rowB)[2] = (const GLubyte (*)[2]) srcRowB; @@ -302,10 +438,8 @@ do_row(const struct gl_texture_format *format, GLint srcWidth, dst[i][1] = (rowA[j][1] + rowA[k][1] + rowB[j][1] + rowB[k][1]) >> 2; } - } - return; - case MESA_FORMAT_RGB332: - { + } + else if (datatype == GL_UNSIGNED_BYTE_3_3_2 && comps == 3) { GLuint i, j, k; const GLubyte *rowA = (const GLubyte *) srcRowA; const GLubyte *rowB = (const GLubyte *) srcRowB; @@ -329,16 +463,8 @@ do_row(const struct gl_texture_format *format, GLint srcWidth, const GLint blue = (rowAb0 + rowAb1 + rowBb0 + rowBb1) >> 2; dst[i] = (blue << 5) | (green << 2) | red; } - } - return; - case MESA_FORMAT_A8: - case MESA_FORMAT_L8: - case MESA_FORMAT_I8: - case MESA_FORMAT_CI8: -#if FEATURE_EXT_texture_sRGB - case MESA_FORMAT_SL8: -#endif - { + } + else if (datatype == GL_UNSIGNED_BYTE && comps == 1) { GLuint i, j, k; const GLubyte *rowA = (const GLubyte *) srcRowA; const GLubyte *rowB = (const GLubyte *) srcRowB; @@ -347,10 +473,8 @@ do_row(const struct gl_texture_format *format, GLint srcWidth, i++, j += colStride, k += colStride) { dst[i] = (rowA[j] + rowA[k] + rowB[j] + rowB[k]) >> 2; } - } - return; - case MESA_FORMAT_RGBA_FLOAT32: - { + } + else if (datatype == GL_FLOAT && comps == 4) { GLuint i, j, k; const GLfloat (*rowA)[4] = (const GLfloat (*)[4]) srcRowA; const GLfloat (*rowB)[4] = (const GLfloat (*)[4]) srcRowB; @@ -366,10 +490,8 @@ do_row(const struct gl_texture_format *format, GLint srcWidth, dst[i][3] = (rowA[j][3] + rowA[k][3] + rowB[j][3] + rowB[k][3]) * 0.25F; } - } - return; - case MESA_FORMAT_RGBA_FLOAT16: - { + } + else if (datatype == GL_HALF_FLOAT_ARB && comps == 4) { GLuint i, j, k, comp; const GLhalfARB (*rowA)[4] = (const GLhalfARB (*)[4]) srcRowA; const GLhalfARB (*rowB)[4] = (const GLhalfARB (*)[4]) srcRowB; @@ -385,10 +507,8 @@ do_row(const struct gl_texture_format *format, GLint srcWidth, dst[i][comp] = _mesa_float_to_half((aj + ak + bj + bk) * 0.25F); } } - } - return; - case MESA_FORMAT_RGB_FLOAT32: - { + } + else if (datatype == GL_FLOAT && comps == 3) { GLuint i, j, k; const GLfloat (*rowA)[3] = (const GLfloat (*)[3]) srcRowA; const GLfloat (*rowB)[3] = (const GLfloat (*)[3]) srcRowB; @@ -402,10 +522,8 @@ do_row(const struct gl_texture_format *format, GLint srcWidth, dst[i][2] = (rowA[j][2] + rowA[k][2] + rowB[j][2] + rowB[k][2]) * 0.25F; } - } - return; - case MESA_FORMAT_RGB_FLOAT16: - { + } + else if (datatype == GL_HALF_FLOAT_ARB && comps == 3) { GLuint i, j, k, comp; const GLhalfARB (*rowA)[3] = (const GLhalfARB (*)[3]) srcRowA; const GLhalfARB (*rowB)[3] = (const GLhalfARB (*)[3]) srcRowB; @@ -421,10 +539,8 @@ do_row(const struct gl_texture_format *format, GLint srcWidth, dst[i][comp] = _mesa_float_to_half((aj + ak + bj + bk) * 0.25F); } } - } - return; - case MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32: - { + } + else if (datatype == GL_FLOAT && comps == 2) { GLuint i, j, k; const GLfloat (*rowA)[2] = (const GLfloat (*)[2]) srcRowA; const GLfloat (*rowB)[2] = (const GLfloat (*)[2]) srcRowB; @@ -436,10 +552,8 @@ do_row(const struct gl_texture_format *format, GLint srcWidth, dst[i][1] = (rowA[j][1] + rowA[k][1] + rowB[j][1] + rowB[k][1]) * 0.25F; } - } - return; - case MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16: - { + } + else if (datatype == GL_HALF_FLOAT_ARB && comps == 2) { GLuint i, j, k, comp; const GLhalfARB (*rowA)[2] = (const GLhalfARB (*)[2]) srcRowA; const GLhalfARB (*rowB)[2] = (const GLhalfARB (*)[2]) srcRowB; @@ -455,12 +569,8 @@ do_row(const struct gl_texture_format *format, GLint srcWidth, dst[i][comp] = _mesa_float_to_half((aj + ak + bj + bk) * 0.25F); } } - } - return; - case MESA_FORMAT_ALPHA_FLOAT32: - case MESA_FORMAT_LUMINANCE_FLOAT32: - case MESA_FORMAT_INTENSITY_FLOAT32: - { + } + else if (datatype == GL_FLOAT && comps == 1) { GLuint i, j, k; const GLfloat *rowA = (const GLfloat *) srcRowA; const GLfloat *rowB = (const GLfloat *) srcRowB; @@ -469,12 +579,8 @@ do_row(const struct gl_texture_format *format, GLint srcWidth, i++, j += colStride, k += colStride) { dst[i] = (rowA[j] + rowA[k] + rowB[j] + rowB[k]) * 0.25F; } - } - return; - case MESA_FORMAT_ALPHA_FLOAT16: - case MESA_FORMAT_LUMINANCE_FLOAT16: - case MESA_FORMAT_INTENSITY_FLOAT16: - { + } + else if (datatype == GL_HALF_FLOAT_ARB && comps == 1) { GLuint i, j, k; const GLhalfARB *rowA = (const GLhalfARB *) srcRowA; const GLhalfARB *rowB = (const GLhalfARB *) srcRowB; @@ -488,10 +594,8 @@ do_row(const struct gl_texture_format *format, GLint srcWidth, bk = _mesa_half_to_float(rowB[k]); dst[i] = _mesa_float_to_half((aj + ak + bj + bk) * 0.25F); } - } - return; - - default: + } + else { _mesa_problem(NULL, "bad format in do_row()"); } } @@ -504,11 +608,11 @@ do_row(const struct gl_texture_format *format, GLint srcWidth, */ static void -make_1d_mipmap(const struct gl_texture_format *format, GLint border, +make_1d_mipmap(GLenum datatype, GLuint comps, GLint border, GLint srcWidth, const GLubyte *srcPtr, GLint dstWidth, GLubyte *dstPtr) { - const GLint bpt = format->TexelBytes; + const GLint bpt = bytes_per_pixel(datatype, comps); const GLubyte *src; GLubyte *dst; @@ -517,7 +621,7 @@ make_1d_mipmap(const struct gl_texture_format *format, GLint border, dst = dstPtr + border * bpt; /* we just duplicate the input row, kind of hack, saves code */ - do_row(format, srcWidth - 2 * border, src, src, + do_row(datatype, comps, srcWidth - 2 * border, src, src, dstWidth - 2 * border, dst); if (border) { @@ -535,11 +639,11 @@ make_1d_mipmap(const struct gl_texture_format *format, GLint border, * XXX need to use the tex image's row stride! */ static void -make_2d_mipmap(const struct gl_texture_format *format, GLint border, +make_2d_mipmap(GLenum datatype, GLuint comps, GLint border, GLint srcWidth, GLint srcHeight, const GLubyte *srcPtr, GLint dstWidth, GLint dstHeight, GLubyte *dstPtr) { - const GLint bpt = format->TexelBytes; + const GLint bpt = bytes_per_pixel(datatype, comps); const GLint srcWidthNB = srcWidth - 2 * border; /* sizes w/out border */ const GLint dstWidthNB = dstWidth - 2 * border; const GLint dstHeightNB = dstHeight - 2 * border; @@ -558,7 +662,7 @@ make_2d_mipmap(const struct gl_texture_format *format, GLint border, dst = dstPtr + border * ((dstWidth + 1) * bpt); for (row = 0; row < dstHeightNB; row++) { - do_row(format, srcWidthNB, srcA, srcB, + do_row(datatype, comps, srcWidthNB, srcA, srcB, dstWidthNB, dst); srcA += 2 * srcRowStride; srcB += 2 * srcRowStride; @@ -580,12 +684,12 @@ make_2d_mipmap(const struct gl_texture_format *format, GLint border, MEMCPY(dstPtr + (dstWidth * dstHeight - 1) * bpt, srcPtr + (srcWidth * srcHeight - 1) * bpt, bpt); /* lower border */ - do_row(format, srcWidthNB, + do_row(datatype, comps, srcWidthNB, srcPtr + bpt, srcPtr + bpt, dstWidthNB, dstPtr + bpt); /* upper border */ - do_row(format, srcWidthNB, + do_row(datatype, comps, srcWidthNB, srcPtr + (srcWidth * (srcHeight - 1) + 1) * bpt, srcPtr + (srcWidth * (srcHeight - 1) + 1) * bpt, dstWidthNB, @@ -603,11 +707,11 @@ make_2d_mipmap(const struct gl_texture_format *format, GLint border, else { /* average two src pixels each dest pixel */ for (row = 0; row < dstHeightNB; row += 2) { - do_row(format, 1, + do_row(datatype, comps, 1, srcPtr + (srcWidth * (row * 2 + 1)) * bpt, srcPtr + (srcWidth * (row * 2 + 2)) * bpt, 1, dstPtr + (dstWidth * row + 1) * bpt); - do_row(format, 1, + do_row(datatype, comps, 1, srcPtr + (srcWidth * (row * 2 + 1) + srcWidth - 1) * bpt, srcPtr + (srcWidth * (row * 2 + 2) + srcWidth - 1) * bpt, 1, dstPtr + (dstWidth * row + 1 + dstWidth - 1) * bpt); @@ -618,13 +722,13 @@ make_2d_mipmap(const struct gl_texture_format *format, GLint border, static void -make_3d_mipmap(const struct gl_texture_format *format, GLint border, +make_3d_mipmap(GLenum datatype, GLuint comps, GLint border, GLint srcWidth, GLint srcHeight, GLint srcDepth, const GLubyte *srcPtr, GLint dstWidth, GLint dstHeight, GLint dstDepth, GLubyte *dstPtr) { - const GLint bpt = format->TexelBytes; + const GLint bpt = bytes_per_pixel(datatype, comps); const GLint srcWidthNB = srcWidth - 2 * border; /* sizes w/out border */ const GLint srcDepthNB = srcDepth - 2 * border; const GLint dstWidthNB = dstWidth - 2 * border; @@ -694,13 +798,13 @@ make_3d_mipmap(const struct gl_texture_format *format, GLint border, for (row = 0; row < dstHeightNB; row++) { /* Average together two rows from first src image */ - do_row(format, srcWidthNB, srcImgARowA, srcImgARowB, + do_row(datatype, comps, srcWidthNB, srcImgARowA, srcImgARowB, srcWidthNB, tmpRowA); /* Average together two rows from second src image */ - do_row(format, srcWidthNB, srcImgBRowA, srcImgBRowB, + do_row(datatype, comps, srcWidthNB, srcImgBRowA, srcImgBRowB, srcWidthNB, tmpRowB); /* Average together the temp rows to make the final row */ - do_row(format, srcWidthNB, tmpRowA, tmpRowB, + do_row(datatype, comps, srcWidthNB, tmpRowA, tmpRowB, dstWidthNB, dstImgRow); /* advance to next rows */ srcImgARowA += bytesPerSrcRow + srcRowOffset; @@ -717,10 +821,10 @@ make_3d_mipmap(const struct gl_texture_format *format, GLint border, /* Luckily we can leverage the make_2d_mipmap() function here! */ if (border > 0) { /* do front border image */ - make_2d_mipmap(format, 1, srcWidth, srcHeight, srcPtr, + make_2d_mipmap(datatype, comps, 1, srcWidth, srcHeight, srcPtr, dstWidth, dstHeight, dstPtr); /* do back border image */ - make_2d_mipmap(format, 1, srcWidth, srcHeight, + make_2d_mipmap(datatype, comps, 1, srcWidth, srcHeight, srcPtr + bytesPerSrcImage * (srcDepth - 1), dstWidth, dstHeight, dstPtr + bytesPerDstImage * (dstDepth - 1)); @@ -768,28 +872,28 @@ make_3d_mipmap(const struct gl_texture_format *format, GLint border, /* do border along [img][row=0][col=0] */ src = srcPtr + (img * 2 + 1) * bytesPerSrcImage; dst = dstPtr + (img + 1) * bytesPerDstImage; - do_row(format, 1, src, src + srcImageOffset, 1, dst); + do_row(datatype, comps, 1, src, src + srcImageOffset, 1, dst); /* do border along [img][row=dstHeight-1][col=0] */ src = srcPtr + (img * 2 + 1) * bytesPerSrcImage + (srcHeight - 1) * bytesPerSrcRow; dst = dstPtr + (img + 1) * bytesPerDstImage + (dstHeight - 1) * bytesPerDstRow; - do_row(format, 1, src, src + srcImageOffset, 1, dst); + do_row(datatype, comps, 1, src, src + srcImageOffset, 1, dst); /* do border along [img][row=0][col=dstWidth-1] */ src = srcPtr + (img * 2 + 1) * bytesPerSrcImage + (srcWidth - 1) * bpt; dst = dstPtr + (img + 1) * bytesPerDstImage + (dstWidth - 1) * bpt; - do_row(format, 1, src, src + srcImageOffset, 1, dst); + do_row(datatype, comps, 1, src, src + srcImageOffset, 1, dst); /* do border along [img][row=dstHeight-1][col=dstWidth-1] */ src = srcPtr + (img * 2 + 1) * bytesPerSrcImage + (bytesPerSrcImage - bpt); dst = dstPtr + (img + 1) * bytesPerDstImage + (bytesPerDstImage - bpt); - do_row(format, 1, src, src + srcImageOffset, 1, dst); + do_row(datatype, comps, 1, src, src + srcImageOffset, 1, dst); } } } @@ -797,11 +901,11 @@ make_3d_mipmap(const struct gl_texture_format *format, GLint border, static void -make_1d_stack_mipmap(const struct gl_texture_format *format, GLint border, +make_1d_stack_mipmap(GLenum datatype, GLuint comps, GLint border, GLint srcWidth, const GLubyte *srcPtr, GLint dstWidth, GLint dstHeight, GLubyte *dstPtr) { - const GLint bpt = format->TexelBytes; + const GLint bpt = bytes_per_pixel(datatype, comps); const GLint srcWidthNB = srcWidth - 2 * border; /* sizes w/out border */ const GLint dstWidthNB = dstWidth - 2 * border; const GLint dstHeightNB = dstHeight - 2 * border; @@ -816,7 +920,7 @@ make_1d_stack_mipmap(const struct gl_texture_format *format, GLint border, dst = dstPtr + border * ((dstWidth + 1) * bpt); for (row = 0; row < dstHeightNB; row++) { - do_row(format, srcWidthNB, src, src, + do_row(datatype, comps, srcWidthNB, src, src, dstWidthNB, dst); src += srcRowStride; dst += dstRowStride; @@ -839,12 +943,12 @@ make_1d_stack_mipmap(const struct gl_texture_format *format, GLint border, * and \c make_2d_mipmap. */ static void -make_2d_stack_mipmap(const struct gl_texture_format *format, GLint border, +make_2d_stack_mipmap(GLenum datatype, GLuint comps, GLint border, GLint srcWidth, GLint srcHeight, const GLubyte *srcPtr, GLint dstWidth, GLint dstHeight, GLint dstDepth, GLubyte *dstPtr) { - const GLint bpt = format->TexelBytes; + const GLint bpt = bytes_per_pixel(datatype, comps); const GLint srcWidthNB = srcWidth - 2 * border; /* sizes w/out border */ const GLint dstWidthNB = dstWidth - 2 * border; const GLint dstHeightNB = dstHeight - 2 * border; @@ -866,7 +970,7 @@ make_2d_stack_mipmap(const struct gl_texture_format *format, GLint border, for (layer = 0; layer < dstDepthNB; layer++) { for (row = 0; row < dstHeightNB; row++) { - do_row(format, srcWidthNB, srcA, srcB, + do_row(datatype, comps, srcWidthNB, srcA, srcB, dstWidthNB, dst); srcA += 2 * srcRowStride; srcB += 2 * srcRowStride; @@ -888,12 +992,12 @@ make_2d_stack_mipmap(const struct gl_texture_format *format, GLint border, MEMCPY(dstPtr + (dstWidth * dstHeight - 1) * bpt, srcPtr + (srcWidth * srcHeight - 1) * bpt, bpt); /* lower border */ - do_row(format, srcWidthNB, + do_row(datatype, comps, srcWidthNB, srcPtr + bpt, srcPtr + bpt, dstWidthNB, dstPtr + bpt); /* upper border */ - do_row(format, srcWidthNB, + do_row(datatype, comps, srcWidthNB, srcPtr + (srcWidth * (srcHeight - 1) + 1) * bpt, srcPtr + (srcWidth * (srcHeight - 1) + 1) * bpt, dstWidthNB, @@ -911,11 +1015,11 @@ make_2d_stack_mipmap(const struct gl_texture_format *format, GLint border, else { /* average two src pixels each dest pixel */ for (row = 0; row < dstHeightNB; row += 2) { - do_row(format, 1, + do_row(datatype, comps, 1, srcPtr + (srcWidth * (row * 2 + 1)) * bpt, srcPtr + (srcWidth * (row * 2 + 2)) * bpt, 1, dstPtr + (dstWidth * row + 1) * bpt); - do_row(format, 1, + do_row(datatype, comps, 1, srcPtr + (srcWidth * (row * 2 + 1) + srcWidth - 1) * bpt, srcPtr + (srcWidth * (row * 2 + 2) + srcWidth - 1) * bpt, 1, dstPtr + (dstWidth * row + 1 + dstWidth - 1) * bpt); @@ -940,6 +1044,8 @@ _mesa_generate_mipmap(GLcontext *ctx, GLenum target, const GLubyte *srcData = NULL; GLubyte *dstData = NULL; GLint level, maxLevels; + GLenum datatype; + GLuint comps; ASSERT(texObj); /* XXX choose cube map face here??? */ @@ -1002,6 +1108,8 @@ _mesa_generate_mipmap(GLcontext *ctx, GLenum target, convertFormat = srcImage->TexFormat; } + mesa_format_to_type_and_comps(convertFormat, &datatype, &comps); + for (level = texObj->BaseLevel; level < texObj->MaxLevel && level < maxLevels - 1; level++) { /* generate image[level+1] from image[level] */ @@ -1118,7 +1226,7 @@ _mesa_generate_mipmap(GLcontext *ctx, GLenum target, */ switch (target) { case GL_TEXTURE_1D: - make_1d_mipmap(convertFormat, border, + make_1d_mipmap(datatype, comps, border, srcWidth, srcData, dstWidth, dstData); break; @@ -1129,22 +1237,22 @@ _mesa_generate_mipmap(GLcontext *ctx, GLenum target, case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB: case GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB: case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB: - make_2d_mipmap(convertFormat, border, + make_2d_mipmap(datatype, comps, border, srcWidth, srcHeight, srcData, dstWidth, dstHeight, dstData); break; case GL_TEXTURE_3D: - make_3d_mipmap(convertFormat, border, + make_3d_mipmap(datatype, comps, border, srcWidth, srcHeight, srcDepth, srcData, dstWidth, dstHeight, dstDepth, dstData); break; case GL_TEXTURE_1D_ARRAY_EXT: - make_1d_stack_mipmap(convertFormat, border, + make_1d_stack_mipmap(datatype, comps, border, srcWidth, srcData, dstWidth, dstHeight, dstData); break; case GL_TEXTURE_2D_ARRAY_EXT: - make_2d_stack_mipmap(convertFormat, border, + make_2d_stack_mipmap(datatype, comps, border, srcWidth, srcHeight, srcData, dstWidth, dstHeight, dstDepth, dstData); break; |