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diff --git a/src/gallium/drivers/panfrost/pan_blend.h b/src/gallium/drivers/panfrost/pan_blend.h
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+/*
+ * Copyright (C) 2019 Collabora
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ * Authors (Collabora):
+ * Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
+ *
+ */
+
+#ifndef __PAN_BLEND_H
+#define __PAN_BLEND_H
+
+#include "util/hash_table.h"
+
+/* An internal blend shader descriptor, from the compiler */
+
+struct panfrost_blend_shader {
+ /* The compiled shader in GPU memory */
+ struct panfrost_transfer shader;
+
+ /* Byte count of the shader */
+ unsigned size;
+
+ /* Number of 128-bit work registers required by the shader */
+ unsigned work_count;
+
+ /* Offset into the shader to patch constants. Zero to disable patching
+ * (it is illogical to have constants at offset 0). */
+ unsigned patch_index;
+
+ /* First instruction tag (for tagging the pointer) */
+ unsigned first_tag;
+};
+
+/* A blend shader descriptor ready for actual use */
+
+struct panfrost_blend_shader_final {
+ /* The upload, possibly to transient memory */
+ mali_ptr gpu;
+
+ /* Same meaning as panfrost_blend_shader */
+ unsigned work_count;
+};
+
+struct panfrost_blend_equation_final {
+ struct mali_blend_equation *equation;
+ float constant;
+};
+
+struct panfrost_blend_rt {
+ /* If has_fixed_function is set, equation is the
+ * fixed-function configuration for this blend state */
+
+ bool has_fixed_function;
+ struct mali_blend_equation equation;
+
+ /* Mask of blend color components read */
+ unsigned constant_mask;
+
+ /* Regardless of fixed-function blending, this is a map of pipe_format
+ * to panfrost_blend_shader */
+
+ struct hash_table_u64 *shaders;
+};
+
+struct panfrost_blend_state {
+ struct pipe_blend_state base;
+
+ struct panfrost_blend_rt rt[PIPE_MAX_COLOR_BUFS];
+};
+
+/* Container for a final blend state, specialized to constants and a
+ * framebuffer formats. */
+
+struct panfrost_blend_final {
+ /* Set for a shader, clear for an equation */
+ bool is_shader;
+
+ union {
+ struct panfrost_blend_shader_final shader;
+ struct panfrost_blend_equation_final equation;
+ };
+};
+
+void
+panfrost_blend_context_init(struct pipe_context *pipe);
+
+struct panfrost_blend_final
+panfrost_get_blend_for_context(struct panfrost_context *ctx, unsigned rt);
+
+#endif