X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fmesa%2Fmain%2Ftexgetimage.c;h=da610798e1232822da5eb0d6e7416731bc68197e;hb=751fe9058bc15f4f8608f0fdc02209542991ff23;hp=23765d275305b1b5a5ebbdd56e107e17c725e560;hpb=8fc433fa0f8c5364454858f9be919387feda440c;p=mesa.git diff --git a/src/mesa/main/texgetimage.c b/src/mesa/main/texgetimage.c index 23765d27530..da610798e12 100644 --- a/src/mesa/main/texgetimage.c +++ b/src/mesa/main/texgetimage.c @@ -35,37 +35,14 @@ #include "context.h" #include "formats.h" #include "image.h" -#include "texcompress.h" +#include "mfeatures.h" +#include "mtypes.h" +#include "pack.h" #include "texgetimage.h" #include "teximage.h" -#include "texstate.h" -#if FEATURE_EXT_texture_sRGB - -/** - * Convert a float value from linear space to a - * non-linear sRGB value in [0, 255]. - * Not terribly efficient. - */ -static INLINE GLfloat -linear_to_nonlinear(GLfloat cl) -{ - /* can't have values outside [0, 1] */ - GLfloat cs; - if (cl < 0.0031308f) { - cs = 12.92f * cl; - } - else { - cs = (GLfloat)(1.055 * _mesa_pow(cl, 0.41666) - 0.055); - } - return cs; -} - -#endif /* FEATURE_EXT_texture_sRGB */ - - /** * Can the given type represent negative values? */ @@ -89,7 +66,7 @@ type_with_negative_values(GLenum type) * glGetTexImage for color index pixels. */ static void -get_tex_color_index(GLcontext *ctx, GLuint dimensions, +get_tex_color_index(struct gl_context *ctx, GLuint dimensions, GLenum format, GLenum type, GLvoid *pixels, const struct gl_texture_image *texImage) { @@ -103,7 +80,7 @@ get_tex_color_index(GLcontext *ctx, GLuint dimensions, for (img = 0; img < depth; img++) { for (row = 0; row < height; row++) { - GLuint indexRow[MAX_WIDTH]; + GLuint indexRow[MAX_WIDTH] = { 0 }; void *dest = _mesa_image_address(dimensions, &ctx->Pack, pixels, width, height, format, type, img, row, 0); @@ -137,7 +114,7 @@ get_tex_color_index(GLcontext *ctx, GLuint dimensions, * glGetTexImage for depth/Z pixels. */ static void -get_tex_depth(GLcontext *ctx, GLuint dimensions, +get_tex_depth(struct gl_context *ctx, GLuint dimensions, GLenum format, GLenum type, GLvoid *pixels, const struct gl_texture_image *texImage) { @@ -145,10 +122,15 @@ get_tex_depth(GLcontext *ctx, GLuint dimensions, const GLint height = texImage->Height; const GLint depth = texImage->Depth; GLint img, row, col; + GLfloat *depthRow = (GLfloat *) malloc(width * sizeof(GLfloat)); + + if (!depthRow) { + _mesa_error(ctx, GL_OUT_OF_MEMORY, "glGetTexImage"); + return; + } for (img = 0; img < depth; img++) { for (row = 0; row < height; row++) { - GLfloat depthRow[MAX_WIDTH]; void *dest = _mesa_image_address(dimensions, &ctx->Pack, pixels, width, height, format, type, img, row, 0); @@ -160,6 +142,8 @@ get_tex_depth(GLcontext *ctx, GLuint dimensions, _mesa_pack_depth_span(ctx, width, dest, type, depthRow, &ctx->Pack); } } + + free(depthRow); } @@ -167,7 +151,7 @@ get_tex_depth(GLcontext *ctx, GLuint dimensions, * glGetTexImage for depth/stencil pixels. */ static void -get_tex_depth_stencil(GLcontext *ctx, GLuint dimensions, +get_tex_depth_stencil(struct gl_context *ctx, GLuint dimensions, GLenum format, GLenum type, GLvoid *pixels, const struct gl_texture_image *texImage) { @@ -182,7 +166,7 @@ get_tex_depth_stencil(GLcontext *ctx, GLuint dimensions, void *dest = _mesa_image_address(dimensions, &ctx->Pack, pixels, width, height, format, type, img, row, 0); - _mesa_memcpy(dest, src, width * sizeof(GLuint)); + memcpy(dest, src, width * sizeof(GLuint)); if (ctx->Pack.SwapBytes) { _mesa_swap4((GLuint *) dest, width); } @@ -197,7 +181,7 @@ get_tex_depth_stencil(GLcontext *ctx, GLuint dimensions, * glGetTexImage for YCbCr pixels. */ static void -get_tex_ycbcr(GLcontext *ctx, GLuint dimensions, +get_tex_ycbcr(struct gl_context *ctx, GLuint dimensions, GLenum format, GLenum type, GLvoid *pixels, const struct gl_texture_image *texImage) { @@ -213,7 +197,7 @@ get_tex_ycbcr(GLcontext *ctx, GLuint dimensions, void *dest = _mesa_image_address(dimensions, &ctx->Pack, pixels, width, height, format, type, img, row, 0); - _mesa_memcpy(dest, src, width * sizeof(GLushort)); + memcpy(dest, src, width * sizeof(GLushort)); /* check for byte swapping */ if ((texImage->TexFormat == MESA_FORMAT_YCBCR @@ -233,11 +217,34 @@ get_tex_ycbcr(GLcontext *ctx, GLuint dimensions, } +#if FEATURE_EXT_texture_sRGB + + +/** + * Convert a float value from linear space to a + * non-linear sRGB value in [0, 255]. + * Not terribly efficient. + */ +static INLINE GLfloat +linear_to_nonlinear(GLfloat cl) +{ + /* can't have values outside [0, 1] */ + GLfloat cs; + if (cl < 0.0031308f) { + cs = 12.92f * cl; + } + else { + cs = (GLfloat)(1.055 * pow(cl, 0.41666) - 0.055); + } + return cs; +} + + /** * glGetTexImagefor sRGB pixels; */ static void -get_tex_srgb(GLcontext *ctx, GLuint dimensions, +get_tex_srgb(struct gl_context *ctx, GLuint dimensions, GLenum format, GLenum type, GLvoid *pixels, const struct gl_texture_image *texImage) { @@ -246,6 +253,12 @@ get_tex_srgb(GLcontext *ctx, GLuint dimensions, const GLint depth = texImage->Depth; const GLbitfield transferOps = 0x0; GLint img, row; + GLfloat (*rgba)[4] = (GLfloat (*)[4]) malloc(4 * width * sizeof(GLfloat)); + + if (!rgba) { + _mesa_error(ctx, GL_OUT_OF_MEMORY, "glGetTexImage"); + return; + } for (img = 0; img < depth; img++) { for (row = 0; row < height; row++) { @@ -253,7 +266,6 @@ get_tex_srgb(GLcontext *ctx, GLuint dimensions, width, height, format, type, img, row, 0); - GLfloat rgba[MAX_WIDTH][4]; GLint col; /* convert row to RGBA format */ @@ -281,15 +293,32 @@ get_tex_srgb(GLcontext *ctx, GLuint dimensions, &ctx->Pack, transferOps); } } + + free(rgba); } +#else /* FEATURE_EXT_texture_sRGB */ + + +static INLINE void +get_tex_srgb(struct gl_context *ctx, GLuint dimensions, + GLenum format, GLenum type, GLvoid *pixels, + const struct gl_texture_image *texImage) +{ + ASSERT_NO_FEATURE(); +} + + +#endif /* FEATURE_EXT_texture_sRGB */ + + /** * glGetTexImagefor RGBA, Luminance, etc. pixels. * This is the slow way since we use texture sampling. */ static void -get_tex_rgba(GLcontext *ctx, GLuint dimensions, +get_tex_rgba(struct gl_context *ctx, GLuint dimensions, GLenum format, GLenum type, GLvoid *pixels, const struct gl_texture_image *texImage) { @@ -301,13 +330,18 @@ get_tex_rgba(GLcontext *ctx, GLuint dimensions, */ GLbitfield transferOps = 0x0; GLint img, row; + GLfloat (*rgba)[4] = (GLfloat (*)[4]) malloc(4 * width * sizeof(GLfloat)); + + if (!rgba) { + _mesa_error(ctx, GL_OUT_OF_MEMORY, "glGetTexImage"); + return; + } for (img = 0; img < depth; img++) { for (row = 0; row < height; row++) { void *dest = _mesa_image_address(dimensions, &ctx->Pack, pixels, width, height, format, type, img, row, 0); - GLfloat rgba[MAX_WIDTH][4]; GLint col; GLenum dataType = _mesa_get_format_datatype(texImage->TexFormat); @@ -351,6 +385,8 @@ get_tex_rgba(GLcontext *ctx, GLuint dimensions, &ctx->Pack, transferOps); } } + + free(rgba); } @@ -359,7 +395,7 @@ get_tex_rgba(GLcontext *ctx, GLuint dimensions, * \return GL_TRUE if done, GL_FALSE otherwise */ static GLboolean -get_tex_memcpy(GLcontext *ctx, GLenum format, GLenum type, GLvoid *pixels, +get_tex_memcpy(struct gl_context *ctx, GLenum format, GLenum type, GLvoid *pixels, const struct gl_texture_object *texObj, const struct gl_texture_image *texImage) { @@ -398,11 +434,21 @@ get_tex_memcpy(GLcontext *ctx, GLenum format, GLenum type, GLvoid *pixels, type == GL_UNSIGNED_BYTE) { memCopy = GL_TRUE; } + else if (texImage->TexFormat == MESA_FORMAT_L16 && + format == GL_LUMINANCE && + type == GL_UNSIGNED_SHORT) { + memCopy = GL_TRUE; + } else if (texImage->TexFormat == MESA_FORMAT_A8 && format == GL_ALPHA && type == GL_UNSIGNED_BYTE) { memCopy = GL_TRUE; } + else if (texImage->TexFormat == MESA_FORMAT_A16 && + format == GL_ALPHA && + type == GL_UNSIGNED_SHORT) { + memCopy = GL_TRUE; + } } if (memCopy) { @@ -439,7 +485,7 @@ get_tex_memcpy(GLcontext *ctx, GLenum format, GLenum type, GLvoid *pixels, * The texture image must be mapped. */ void -_mesa_get_teximage(GLcontext *ctx, GLenum target, GLint level, +_mesa_get_teximage(struct gl_context *ctx, GLenum target, GLint level, GLenum format, GLenum type, GLvoid *pixels, struct gl_texture_object *texObj, struct gl_texture_image *texImage) @@ -516,7 +562,7 @@ _mesa_get_teximage(GLcontext *ctx, GLenum target, GLint level, * All error checking will have been done before this routine is called. */ void -_mesa_get_compressed_teximage(GLcontext *ctx, GLenum target, GLint level, +_mesa_get_compressed_teximage(struct gl_context *ctx, GLenum target, GLint level, GLvoid *img, struct gl_texture_object *texObj, struct gl_texture_image *texImage) @@ -548,14 +594,15 @@ _mesa_get_compressed_teximage(GLcontext *ctx, GLenum target, GLint level, texImage->Width, texImage->Height, texImage->Depth); - _mesa_memcpy(img, texImage->Data, size); + memcpy(img, texImage->Data, size); } else { GLuint bw, bh; _mesa_get_format_block_size(texImage->TexFormat, &bw, &bh); for (i = 0; i < (texImage->Height + bh - 1) / bh; i++) { memcpy((GLubyte *)img + i * row_stride, - (GLubyte *)texImage->Data + i * row_stride_stored, row_stride); + (GLubyte *)texImage->Data + i * row_stride_stored, + row_stride); } } @@ -572,12 +619,12 @@ _mesa_get_compressed_teximage(GLcontext *ctx, GLenum target, GLint level, * \return GL_TRUE if any error, GL_FALSE if no errors. */ static GLboolean -getteximage_error_check(GLcontext *ctx, GLenum target, GLint level, +getteximage_error_check(struct gl_context *ctx, GLenum target, GLint level, GLenum format, GLenum type, GLvoid *pixels ) { struct gl_texture_object *texObj; struct gl_texture_image *texImage; - const GLuint maxLevels = _mesa_max_texture_levels(ctx, target); + const GLint maxLevels = _mesa_max_texture_levels(ctx, target); GLenum baseFormat; if (maxLevels == 0) { @@ -758,12 +805,12 @@ _mesa_GetTexImage( GLenum target, GLint level, GLenum format, * \return GL_TRUE if any error, GL_FALSE if no errors. */ static GLboolean -getcompressedteximage_error_check(GLcontext *ctx, GLenum target, GLint level, +getcompressedteximage_error_check(struct gl_context *ctx, GLenum target, GLint level, GLvoid *img) { struct gl_texture_object *texObj; struct gl_texture_image *texImage; - const GLuint maxLevels = _mesa_max_texture_levels(ctx, target); + const GLint maxLevels = _mesa_max_texture_levels(ctx, target); if (maxLevels == 0) { _mesa_error(ctx, GL_INVALID_ENUM, "glGetCompressedTexImage(target=0x%x)",