diff --git a/src/gallium/drivers/r300/r300_context.c b/src/gallium/drivers/r300/r300_context.c index bcb47e0056c..cacad9fbad2 100644 --- a/src/gallium/drivers/r300/r300_context.c +++ b/src/gallium/drivers/r300/r300_context.c @@ -448,6 +448,7 @@ struct pipe_context* r300_create_context(struct pipe_screen* screen, U_VERTEX_FETCH_DWORD_ALIGNED); if (!r300->vbuf_mgr) goto fail; + r300->vbuf_mgr->caps.format_fixed32 = 0; r300->blitter = util_blitter_create(&r300->context); if (r300->blitter == NULL) diff --git a/src/gallium/drivers/r300/r300_screen.c b/src/gallium/drivers/r300/r300_screen.c index c574a504924..ab1cec585c4 100644 --- a/src/gallium/drivers/r300/r300_screen.c +++ b/src/gallium/drivers/r300/r300_screen.c @@ -361,6 +361,10 @@ static boolean r300_is_format_supported(struct pipe_screen* screen, format == PIPE_FORMAT_R16G16_FLOAT || format == PIPE_FORMAT_R16G16B16_FLOAT || format == PIPE_FORMAT_R16G16B16A16_FLOAT; + boolean is_fixed = format == PIPE_FORMAT_R32_FIXED || + format == PIPE_FORMAT_R32G32_FIXED || + format == PIPE_FORMAT_R32G32B32_FIXED || + format == PIPE_FORMAT_R32G32B32A32_FIXED; if (!util_format_is_supported(format, usage)) return FALSE; @@ -422,9 +426,10 @@ static boolean r300_is_format_supported(struct pipe_screen* screen, /* Check vertex buffer format support. */ if (usage & PIPE_BIND_VERTEX_BUFFER && - /* Half float is supported on >= RV350. */ + /* Half float is supported on >= R400. */ (is_r400 || is_r500 || !is_half_float) && - r300_translate_vertex_data_type(format) != R300_INVALID_FORMAT) { + /* We have a fallback for FIXED. */ + (is_fixed || r300_translate_vertex_data_type(format) != R300_INVALID_FORMAT)) { retval |= PIPE_BIND_VERTEX_BUFFER; }