diff options
| -rw-r--r-- | src/mesa/state_tracker/st_cb_drawpixels.c | 98 |
1 files changed, 49 insertions, 49 deletions
diff --git a/src/mesa/state_tracker/st_cb_drawpixels.c b/src/mesa/state_tracker/st_cb_drawpixels.c index 5f23e8afed3..8eb76f41319 100644 --- a/src/mesa/state_tracker/st_cb_drawpixels.c +++ b/src/mesa/state_tracker/st_cb_drawpixels.c @@ -293,6 +293,51 @@ base_format(GLenum format) /** + * Create a temporary texture to hold an image of the given size. + * If width, height are not POT and the driver only handles POT textures, + * allocate the next larger size of texture that is POT. + */ +static struct pipe_texture * +alloc_texture(struct st_context *st, GLsizei width, GLsizei height, + enum pipe_format texFormat) +{ + struct pipe_context *pipe = st->pipe; + struct pipe_screen *screen = pipe->screen; + struct pipe_texture *pt; + int ptw, pth; + + ptw = width; + pth = height; + + /* Need to use POT texture? */ + if (!screen->get_param(screen, PIPE_CAP_NPOT_TEXTURES)) { + int l2pt, maxSize; + + l2pt = util_logbase2(width); + if (1 << l2pt != width) { + ptw = 1 << (l2pt + 1); + } + + l2pt = util_logbase2(height); + if (1 << l2pt != height) { + pth = 1 << (l2pt + 1); + } + + /* Check against maximum texture size */ + maxSize = 1 << (pipe->screen->get_param(pipe->screen, + PIPE_CAP_MAX_TEXTURE_2D_LEVELS) - 1); + assert(ptw <= maxSize); + assert(pth <= maxSize); + } + + pt = st_texture_create(st, PIPE_TEXTURE_2D, texFormat, 0, + ptw, pth, 1, PIPE_TEXTURE_USAGE_SAMPLER); + + return pt; +} + + +/** * Make texture containing an image for glDrawPixels image. * If 'pixels' is NULL, leave the texture image data undefined. */ @@ -310,7 +355,6 @@ make_texture(struct st_context *st, enum pipe_format pipeFormat; GLuint cpp; GLenum baseFormat; - int ptw, pth; baseFormat = base_format(format); @@ -325,29 +369,8 @@ make_texture(struct st_context *st, if (!pixels) return NULL; - /* Need to use POT texture? */ - ptw = width; - pth = height; - if (!screen->get_param(screen, PIPE_CAP_NPOT_TEXTURES)) { - int l2pt, maxSize; - - l2pt = util_logbase2(width); - if (1<<l2pt != width) { - ptw = 1<<(l2pt+1); - } - l2pt = util_logbase2(height); - if (1<<l2pt != height) { - pth = 1<<(l2pt+1); - } - - /* Check against maximum texture size */ - maxSize = 1 << (pipe->screen->get_param(pipe->screen, PIPE_CAP_MAX_TEXTURE_2D_LEVELS) - 1); - assert(ptw <= maxSize); - assert(pth <= maxSize); - } - - pt = st_texture_create(st, PIPE_TEXTURE_2D, pipeFormat, 0, ptw, pth, 1, - PIPE_TEXTURE_USAGE_SAMPLER); + /* alloc temporary texture */ + pt = alloc_texture(st, width, height, pipeFormat); if (!pt) { _mesa_unmap_pbo_source(ctx, unpack); return NULL; @@ -940,7 +963,6 @@ st_CopyPixels(GLcontext *ctx, GLint srcx, GLint srcy, struct pipe_texture *pt; GLfloat *color; enum pipe_format srcFormat, texFormat; - int ptw, pth; GLboolean invertTex = GL_FALSE; pipe->flush(pipe, PIPE_FLUSH_RENDER_CACHE, NULL); @@ -1031,30 +1053,8 @@ st_CopyPixels(GLcontext *ctx, GLint srcx, GLint srcy, invertTex = !invertTex; } - /* Need to use POT texture? */ - ptw = width; - pth = height; - if (!screen->get_param(screen, PIPE_CAP_NPOT_TEXTURES)) { - int l2pt, maxSize; - - l2pt = util_logbase2(width); - if (1<<l2pt != width) { - ptw = 1<<(l2pt+1); - } - l2pt = util_logbase2(height); - if (1<<l2pt != height) { - pth = 1<<(l2pt+1); - } - - /* Check against maximum texture size */ - maxSize = 1 << (pipe->screen->get_param(pipe->screen, PIPE_CAP_MAX_TEXTURE_2D_LEVELS) - 1); - assert(ptw <= maxSize); - assert(pth <= maxSize); - } - - pt = st_texture_create(st, PIPE_TEXTURE_2D, texFormat, 0, - ptw, pth, 1, - PIPE_TEXTURE_USAGE_SAMPLER); + /* alloc temporary texture */ + pt = alloc_texture(st, width, height, texFormat); if (!pt) return; |