From f54e96c5976f0997dd3163ef027a44a3d79c43e2 Mon Sep 17 00:00:00 2001 From: Maciej Cencora Date: Sat, 16 Jan 2010 22:44:30 +0100 Subject: r300: check if blitting for given format is supported earlier Prevents failing assertions at later stage. --- src/mesa/drivers/dri/r300/r300_blit.c | 23 ++++++++++++++++++++++- 1 file changed, 22 insertions(+), 1 deletion(-) (limited to 'src/mesa/drivers/dri') 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 */ -- cgit v1.2.3