diff options
Diffstat (limited to 'src/mesa/main/image.c')
| -rw-r--r-- | src/mesa/main/image.c | 26 |
1 files changed, 9 insertions, 17 deletions
diff --git a/src/mesa/main/image.c b/src/mesa/main/image.c index 55753c22c5a..af116af7e81 100644 --- a/src/mesa/main/image.c +++ b/src/mesa/main/image.c @@ -1065,18 +1065,18 @@ _mesa_apply_rgba_transfer_ops(GLcontext *ctx, GLbitfield transferOps, * by the dstFormat, dstType and dstPacking. Used by glReadPixels, * glGetConvolutionFilter(), etc. * Incoming colors will be clamped to [0,1] if needed. + * Note: the rgba values will be modified by this function when any pixel + * transfer ops are enabled. */ void -_mesa_pack_rgba_span_float( GLcontext *ctx, - GLuint n, CONST GLfloat rgbaIn[][4], - GLenum dstFormat, GLenum dstType, - GLvoid *dstAddr, - const struct gl_pixelstore_attrib *dstPacking, - GLbitfield transferOps ) +_mesa_pack_rgba_span_float(GLcontext *ctx, GLuint n, GLfloat rgba[][4], + GLenum dstFormat, GLenum dstType, + GLvoid *dstAddr, + const struct gl_pixelstore_attrib *dstPacking, + GLbitfield transferOps) { + GLfloat luminance[MAX_WIDTH]; const GLint comps = _mesa_components_in_format(dstFormat); - GLfloat rgbaCopy[MAX_WIDTH][4], luminance[MAX_WIDTH]; - const GLfloat (*rgba)[4]; GLuint i; if (dstType != GL_FLOAT) { @@ -1085,19 +1085,11 @@ _mesa_pack_rgba_span_float( GLcontext *ctx, } if (transferOps) { - /* make copy of incoming data */ - _mesa_memcpy(rgbaCopy, rgbaIn, n * 4 * sizeof(GLfloat)); - _mesa_apply_rgba_transfer_ops(ctx, transferOps, n, rgbaCopy); - rgba = (const GLfloat (*)[4]) rgbaCopy; - + _mesa_apply_rgba_transfer_ops(ctx, transferOps, n, rgba); if ((transferOps & IMAGE_MIN_MAX_BIT) && ctx->MinMax.Sink) { return; } } - else { - /* use incoming data, not a copy */ - rgba = (const GLfloat (*)[4]) rgbaIn; - } if (dstFormat == GL_LUMINANCE || dstFormat == GL_LUMINANCE_ALPHA) { /* compute luminance values */ |