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| author | Maciej Cencora <m.cencora@gmail.com> | 2010-01-16 22:44:30 +0100 |
|---|---|---|
| committer | Maciej Cencora <m.cencora@gmail.com> | 2010-01-19 23:38:33 +0100 |
| commit | f54e96c5976f0997dd3163ef027a44a3d79c43e2 (patch) | |
| tree | e4c3279c0b37fd14152768824b4aef9dac56fc83 /src/mesa/drivers/dri/r300 | |
| parent | acac99e35ac28e3d7209b6891dd197bf94055793 (diff) | |
r300: check if blitting for given format is supported earlier
Prevents failing assertions at later stage.
Diffstat (limited to 'src/mesa/drivers/dri/r300')
| -rw-r--r-- | src/mesa/drivers/dri/r300/r300_blit.c | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/src/mesa/drivers/dri/r300/r300_blit.c b/src/mesa/drivers/dri/r300/r300_blit.c index 4f89a31472..99068886b7 100644 --- a/src/mesa/drivers/dri/r300/r300_blit.c +++ b/src/mesa/drivers/dri/r300/r300_blit.c @@ -494,6 +494,27 @@ static void emit_cb_setup(struct r300_context *r300, END_BATCH(); } +static unsigned is_blit_supported(gl_format dst_format) +{ + switch (dst_format) { + case MESA_FORMAT_RGB565: + case MESA_FORMAT_ARGB1555: + case MESA_FORMAT_RGBA8888: + case MESA_FORMAT_RGBA8888_REV: + case MESA_FORMAT_ARGB8888: + case MESA_FORMAT_ARGB8888_REV: + case MESA_FORMAT_XRGB8888: + break; + default: + return 0; + } + + if (_mesa_get_format_bits(dst_format, GL_DEPTH_BITS) > 0) + return 0; + + return 1; +} + /** * Copy a region of [@a width x @a height] pixels from source buffer * to destination buffer. @@ -541,7 +562,7 @@ unsigned r300_blit(GLcontext *ctx, { r300ContextPtr r300 = R300_CONTEXT(ctx); - if (_mesa_get_format_bits(src_mesaformat, GL_DEPTH_BITS) > 0) + if (!is_blit_supported(dst_mesaformat)) return 0; /* Make sure that colorbuffer has even width - hw limitation */ |