+/*
+ * Copyright © 2012 Intel Corporation
+ *
+ * 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.
+ */
+
+/** \file glthread_marshal.h
+ *
+ * Declarations of functions related to marshalling GL calls from a client
+ * thread to a server thread.
+ */
+
+#ifndef MARSHAL_H
+#define MARSHAL_H
+
+#include "main/glthread.h"
+#include "main/context.h"
+#include "main/macros.h"
+#include "marshal_generated.h"
+
+struct marshal_cmd_base
+{
+ /**
+ * Type of command. See enum marshal_dispatch_cmd_id.
+ */
+ uint16_t cmd_id;
+
+ /**
+ * Size of command, in multiples of 4 bytes, including cmd_base.
+ */
+ uint16_t cmd_size;
+};
+
+typedef void (*_mesa_unmarshal_func)(struct gl_context *ctx, const void *cmd);
+extern const _mesa_unmarshal_func _mesa_unmarshal_dispatch[NUM_DISPATCH_CMD];
+
+static inline void *
+_mesa_glthread_allocate_command(struct gl_context *ctx,
+ uint16_t cmd_id,
+ int size)
+{
+ struct glthread_state *glthread = ctx->GLThread;
+ struct glthread_batch *next = &glthread->batches[glthread->next];
+ struct marshal_cmd_base *cmd_base;
+ const int aligned_size = ALIGN(size, 8);
+
+ if (unlikely(next->used + size > MARSHAL_MAX_CMD_SIZE)) {
+ _mesa_glthread_flush_batch(ctx);
+ next = &glthread->batches[glthread->next];
+ }
+
+ cmd_base = (struct marshal_cmd_base *)&next->buffer[next->used];
+ next->used += aligned_size;
+ cmd_base->cmd_id = cmd_id;
+ cmd_base->cmd_size = aligned_size;
+ return cmd_base;
+}
+
+/**
+ * Instead of conditionally handling marshaling immediate index data in draw
+ * calls (deprecated and removed in GL core), we just disable threading.
+ */
+static inline bool
+_mesa_glthread_is_non_vbo_draw_elements(const struct gl_context *ctx)
+{
+ struct glthread_state *glthread = ctx->GLThread;
+
+ return ctx->API != API_OPENGL_CORE &&
+ (glthread->CurrentVAO->IndexBufferIsUserPointer ||
+ glthread->CurrentVAO->HasUserPointer);
+}
+
+static inline bool
+_mesa_glthread_is_non_vbo_draw_arrays(const struct gl_context *ctx)
+{
+ struct glthread_state *glthread = ctx->GLThread;
+
+ return ctx->API != API_OPENGL_CORE && glthread->CurrentVAO->HasUserPointer;
+}
+
+static inline bool
+_mesa_glthread_is_non_vbo_draw_arrays_indirect(const struct gl_context *ctx)
+{
+ struct glthread_state *glthread = ctx->GLThread;
+
+ return ctx->API != API_OPENGL_CORE &&
+ (!glthread->draw_indirect_buffer_is_vbo ||
+ glthread->CurrentVAO->HasUserPointer );
+}
+
+static inline bool
+_mesa_glthread_is_non_vbo_draw_elements_indirect(const struct gl_context *ctx)
+{
+ struct glthread_state *glthread = ctx->GLThread;
+
+ return ctx->API != API_OPENGL_CORE &&
+ (!glthread->draw_indirect_buffer_is_vbo ||
+ glthread->CurrentVAO->IndexBufferIsUserPointer ||
+ glthread->CurrentVAO->HasUserPointer);
+}
+
+
+struct _glapi_table *
+_mesa_create_marshal_table(const struct gl_context *ctx);
+
+void
+_mesa_glthread_BindBuffer(struct gl_context *ctx, GLenum target, GLuint buffer);
+
+static inline unsigned
+_mesa_buffer_enum_to_count(GLenum buffer)
+{
+ switch (buffer) {
+ case GL_COLOR:
+ return 4;
+ case GL_DEPTH_STENCIL:
+ return 2;
+ case GL_STENCIL:
+ case GL_DEPTH:
+ return 1;
+ default:
+ return 0;
+ }
+}
+
+static inline unsigned
+_mesa_tex_param_enum_to_count(GLenum pname)
+{
+ switch (pname) {
+ case GL_TEXTURE_MIN_FILTER:
+ case GL_TEXTURE_MAG_FILTER:
+ case GL_TEXTURE_WRAP_S:
+ case GL_TEXTURE_WRAP_T:
+ case GL_TEXTURE_WRAP_R:
+ case GL_TEXTURE_BASE_LEVEL:
+ case GL_TEXTURE_MAX_LEVEL:
+ case GL_GENERATE_MIPMAP_SGIS:
+ case GL_TEXTURE_COMPARE_MODE_ARB:
+ case GL_TEXTURE_COMPARE_FUNC_ARB:
+ case GL_DEPTH_TEXTURE_MODE_ARB:
+ case GL_DEPTH_STENCIL_TEXTURE_MODE:
+ case GL_TEXTURE_SRGB_DECODE_EXT:
+ case GL_TEXTURE_CUBE_MAP_SEAMLESS:
+ case GL_TEXTURE_SWIZZLE_R:
+ case GL_TEXTURE_SWIZZLE_G:
+ case GL_TEXTURE_SWIZZLE_B:
+ case GL_TEXTURE_SWIZZLE_A:
+ case GL_TEXTURE_MIN_LOD:
+ case GL_TEXTURE_MAX_LOD:
+ case GL_TEXTURE_PRIORITY:
+ case GL_TEXTURE_MAX_ANISOTROPY_EXT:
+ case GL_TEXTURE_LOD_BIAS:
+ case GL_TEXTURE_TILING_EXT:
+ return 1;
+ case GL_TEXTURE_CROP_RECT_OES:
+ case GL_TEXTURE_SWIZZLE_RGBA:
+ case GL_TEXTURE_BORDER_COLOR:
+ return 4;
+ default:
+ return 0;
+ }
+}
+
+static inline unsigned
+_mesa_fog_enum_to_count(GLenum pname)
+{
+ switch (pname) {
+ case GL_FOG_MODE:
+ case GL_FOG_DENSITY:
+ case GL_FOG_START:
+ case GL_FOG_END:
+ case GL_FOG_INDEX:
+ case GL_FOG_COORDINATE_SOURCE_EXT:
+ case GL_FOG_DISTANCE_MODE_NV:
+ return 1;
+ case GL_FOG_COLOR:
+ return 4;
+ default:
+ return 0;
+ }
+}
+
+static inline unsigned
+_mesa_light_enum_to_count(GLenum pname)
+{
+ switch (pname) {
+ case GL_AMBIENT:
+ case GL_DIFFUSE:
+ case GL_SPECULAR:
+ case GL_POSITION:
+ return 4;
+ case GL_SPOT_DIRECTION:
+ return 3;
+ case GL_SPOT_EXPONENT:
+ case GL_SPOT_CUTOFF:
+ case GL_CONSTANT_ATTENUATION:
+ case GL_LINEAR_ATTENUATION:
+ case GL_QUADRATIC_ATTENUATION:
+ return 1;
+ default:
+ return 0;
+ }
+}
+
+static inline unsigned
+_mesa_light_model_enum_to_count(GLenum pname)
+{
+ switch (pname) {
+ case GL_LIGHT_MODEL_AMBIENT:
+ return 4;
+ case GL_LIGHT_MODEL_LOCAL_VIEWER:
+ case GL_LIGHT_MODEL_TWO_SIDE:
+ case GL_LIGHT_MODEL_COLOR_CONTROL:
+ return 1;
+ default:
+ return 0;
+ }
+}
+
+static inline unsigned
+_mesa_texenv_enum_to_count(GLenum pname)
+{
+ switch (pname) {
+ case GL_TEXTURE_ENV_MODE:
+ case GL_COMBINE_RGB:
+ case GL_COMBINE_ALPHA:
+ case GL_SOURCE0_RGB:
+ case GL_SOURCE1_RGB:
+ case GL_SOURCE2_RGB:
+ case GL_SOURCE3_RGB_NV:
+ case GL_SOURCE0_ALPHA:
+ case GL_SOURCE1_ALPHA:
+ case GL_SOURCE2_ALPHA:
+ case GL_SOURCE3_ALPHA_NV:
+ case GL_OPERAND0_RGB:
+ case GL_OPERAND1_RGB:
+ case GL_OPERAND2_RGB:
+ case GL_OPERAND3_RGB_NV:
+ case GL_OPERAND0_ALPHA:
+ case GL_OPERAND1_ALPHA:
+ case GL_OPERAND2_ALPHA:
+ case GL_OPERAND3_ALPHA_NV:
+ case GL_RGB_SCALE:
+ case GL_ALPHA_SCALE:
+ case GL_TEXTURE_LOD_BIAS_EXT:
+ case GL_COORD_REPLACE_NV:
+ return 1;
+ case GL_TEXTURE_ENV_COLOR:
+ return 4;
+ default:
+ return 0;
+ }
+}
+
+static inline unsigned
+_mesa_texgen_enum_to_count(GLenum pname)
+{
+ switch (pname) {
+ case GL_TEXTURE_GEN_MODE:
+ return 1;
+ case GL_OBJECT_PLANE:
+ case GL_EYE_PLANE:
+ return 4;
+ default:
+ return 0;
+ }
+}
+
+static inline unsigned
+_mesa_material_enum_to_count(GLenum pname)
+{
+ switch (pname) {
+ case GL_EMISSION:
+ case GL_AMBIENT:
+ case GL_DIFFUSE:
+ case GL_SPECULAR:
+ case GL_AMBIENT_AND_DIFFUSE:
+ return 4;
+ case GL_COLOR_INDEXES:
+ return 3;
+ case GL_SHININESS:
+ return 1;
+ default:
+ return 0;
+ }
+}
+
+static inline unsigned
+_mesa_point_param_enum_to_count(GLenum pname)
+{
+ switch (pname) {
+ case GL_DISTANCE_ATTENUATION_EXT:
+ return 3;
+ case GL_POINT_SIZE_MIN_EXT:
+ case GL_POINT_SIZE_MAX_EXT:
+ case GL_POINT_FADE_THRESHOLD_SIZE_EXT:
+ case GL_POINT_SPRITE_R_MODE_NV:
+ case GL_POINT_SPRITE_COORD_ORIGIN:
+ return 1;
+ default:
+ return 0;
+ }
+}
+
+static inline unsigned
+_mesa_calllists_enum_to_count(GLenum type)
+{
+ switch (type) {
+ case GL_BYTE:
+ case GL_UNSIGNED_BYTE:
+ return 1;
+ case GL_SHORT:
+ case GL_UNSIGNED_SHORT:
+ case GL_2_BYTES:
+ return 2;
+ case GL_3_BYTES:
+ return 3;
+ case GL_INT:
+ case GL_UNSIGNED_INT:
+ case GL_FLOAT:
+ case GL_4_BYTES:
+ return 4;
+ default:
+ return 0;
+ }
+}
+
+static inline unsigned
+_mesa_patch_param_enum_to_count(GLenum pname)
+{
+ switch (pname) {
+ case GL_PATCH_DEFAULT_OUTER_LEVEL:
+ return 4;
+ case GL_PATCH_DEFAULT_INNER_LEVEL:
+ return 2;
+ default:
+ return 0;
+ }
+}
+
+static inline unsigned
+_mesa_memobj_enum_to_count(GLenum pname)
+{
+ switch (pname) {
+ case GL_DEDICATED_MEMORY_OBJECT_EXT:
+ return 1;
+ default:
+ return 0;
+ }
+}
+
+static inline unsigned
+_mesa_semaphore_enum_to_count(GLenum pname)
+{
+ switch (pname) {
+ /* EXT_semaphore and EXT_semaphore_fd define no parameters */
+ default:
+ return 0;
+ }
+}
+
+#endif /* MARSHAL_H */
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