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authorBrian Paul <brianp@vmware.com>2014-05-29 13:55:46 -0600
committerBrian Paul <brianp@vmware.com>2014-05-31 06:25:35 -0600
commit7b2ff544176c34cd3b0f5f10caa44e497ecab0ad (patch)
tree353f0a566c885a16bd5470284aa4517c7c02ff88 /src/gallium
parentb4f34241ec850fbeffcb3278fea85f06d1666c43 (diff)
svga: added svga_shader_too_large() helper
To check if a shader bytcode exceeds the device limit. There's no limit when using GBS. Reviewed-by: José Fonseca <jfonseca@vmware.com>
Diffstat (limited to 'src/gallium')
-rw-r--r--src/gallium/drivers/svga/svga_shader.h21
1 files changed, 21 insertions, 0 deletions
diff --git a/src/gallium/drivers/svga/svga_shader.h b/src/gallium/drivers/svga/svga_shader.h
index 348dc0c59e2..fd500ae4401 100644
--- a/src/gallium/drivers/svga/svga_shader.h
+++ b/src/gallium/drivers/svga/svga_shader.h
@@ -41,4 +41,25 @@ svga_destroy_shader_variant(struct svga_context *svga,
struct svga_shader_variant *variant);
+/**
+ * Check if a shader's bytecode exceeds the device limits.
+ */
+static INLINE boolean
+svga_shader_too_large(const struct svga_context *svga,
+ const struct svga_shader_variant *variant)
+{
+ if (svga_have_gb_objects(svga)) {
+ return FALSE;
+ }
+
+ if (variant->nr_tokens * sizeof(variant->tokens[0])
+ + sizeof(SVGA3dCmdDefineShader) + sizeof(SVGA3dCmdHeader)
+ < SVGA_CB_MAX_COMMAND_SIZE) {
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+
#endif /* SVGA_SHADER_H */