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| Rev | Author | Line No. | Line |
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| 4358 | Serge | 1 | /* |
| 2 | * Mesa 3-D graphics library |
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| 3 | * |
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| 4 | * Copyright (C) 2010 LunarG Inc. |
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| 5 | * |
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| 6 | * Permission is hereby granted, free of charge, to any person obtaining a |
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| 7 | * copy of this software and associated documentation files (the "Software"), |
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| 8 | * to deal in the Software without restriction, including without limitation |
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| 9 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
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| 10 | * and/or sell copies of the Software, and to permit persons to whom the |
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| 11 | * Software is furnished to do so, subject to the following conditions: |
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| 12 | * |
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| 13 | * The above copyright notice and this permission notice shall be included |
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| 14 | * in all copies or substantial portions of the Software. |
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| 15 | * |
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| 16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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| 17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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| 18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
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| 19 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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| 20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
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| 21 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
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| 22 | * DEALINGS IN THE SOFTWARE. |
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| 23 | * |
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| 24 | * Authors: |
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| 25 | * Chia-I Wu |
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| 26 | */ |
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| 27 | |||
| 28 | #include "main/texobj.h" |
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| 29 | #include "main/teximage.h" |
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| 30 | #include "util/u_inlines.h" |
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| 31 | #include "util/u_format.h" |
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| 32 | #include "st_cb_eglimage.h" |
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| 33 | #include "st_cb_fbo.h" |
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| 34 | #include "st_context.h" |
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| 35 | #include "st_texture.h" |
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| 36 | #include "st_format.h" |
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| 37 | #include "st_manager.h" |
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| 38 | |||
| 39 | /** |
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| 40 | * Return the base format just like _mesa_base_fbo_format does. |
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| 41 | */ |
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| 42 | static GLenum |
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| 43 | st_pipe_format_to_base_format(enum pipe_format format) |
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| 44 | { |
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| 45 | GLenum base_format; |
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| 46 | |||
| 47 | if (util_format_is_depth_or_stencil(format)) { |
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| 48 | if (util_format_is_depth_and_stencil(format)) { |
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| 49 | base_format = GL_DEPTH_STENCIL; |
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| 50 | } |
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| 51 | else { |
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| 52 | if (format == PIPE_FORMAT_S8_UINT) |
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| 53 | base_format = GL_STENCIL_INDEX; |
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| 54 | else |
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| 55 | base_format = GL_DEPTH_COMPONENT; |
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| 56 | } |
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| 57 | } |
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| 58 | else { |
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| 59 | /* is this enough? */ |
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| 60 | if (util_format_has_alpha(format)) |
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| 61 | base_format = GL_RGBA; |
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| 62 | else |
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| 63 | base_format = GL_RGB; |
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| 64 | } |
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| 65 | |||
| 66 | return base_format; |
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| 67 | } |
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| 68 | |||
| 69 | static void |
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| 70 | st_egl_image_target_renderbuffer_storage(struct gl_context *ctx, |
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| 71 | struct gl_renderbuffer *rb, |
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| 72 | GLeglImageOES image_handle) |
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| 73 | { |
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| 74 | struct st_context *st = st_context(ctx); |
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| 75 | struct st_renderbuffer *strb = st_renderbuffer(rb); |
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| 76 | struct pipe_surface *ps; |
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| 77 | |||
| 78 | ps = st_manager_get_egl_image_surface(st, (void *) image_handle); |
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| 79 | if (ps) { |
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| 80 | strb->Base.Width = ps->width; |
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| 81 | strb->Base.Height = ps->height; |
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| 82 | strb->Base.Format = st_pipe_format_to_mesa_format(ps->format); |
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| 83 | strb->Base._BaseFormat = st_pipe_format_to_base_format(ps->format); |
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| 84 | strb->Base.InternalFormat = strb->Base._BaseFormat; |
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| 85 | |||
| 86 | pipe_surface_reference(&strb->surface, ps); |
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| 87 | pipe_resource_reference(&strb->texture, ps->texture); |
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| 88 | |||
| 89 | pipe_surface_reference(&ps, NULL); |
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| 90 | } |
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| 91 | } |
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| 92 | |||
| 93 | static void |
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| 94 | st_bind_surface(struct gl_context *ctx, GLenum target, |
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| 95 | struct gl_texture_object *texObj, |
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| 96 | struct gl_texture_image *texImage, |
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| 97 | struct pipe_surface *ps) |
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| 98 | { |
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| 99 | struct st_texture_object *stObj; |
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| 100 | struct st_texture_image *stImage; |
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| 101 | GLenum internalFormat; |
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| 102 | gl_format texFormat; |
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| 103 | |||
| 104 | /* map pipe format to base format */ |
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| 105 | if (util_format_get_component_bits(ps->format, UTIL_FORMAT_COLORSPACE_RGB, 3) > 0) |
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| 106 | internalFormat = GL_RGBA; |
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| 107 | else |
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| 108 | internalFormat = GL_RGB; |
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| 109 | |||
| 110 | stObj = st_texture_object(texObj); |
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| 111 | stImage = st_texture_image(texImage); |
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| 112 | |||
| 113 | /* switch to surface based */ |
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| 114 | if (!stObj->surface_based) { |
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| 115 | _mesa_clear_texture_object(ctx, texObj); |
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| 116 | stObj->surface_based = GL_TRUE; |
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| 117 | } |
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| 118 | |||
| 119 | texFormat = st_pipe_format_to_mesa_format(ps->format); |
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| 120 | |||
| 121 | _mesa_init_teximage_fields(ctx, texImage, |
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| 122 | ps->width, ps->height, 1, 0, internalFormat, |
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| 123 | texFormat); |
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| 124 | |||
| 125 | /* FIXME create a non-default sampler view from the pipe_surface? */ |
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| 126 | pipe_resource_reference(&stObj->pt, ps->texture); |
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| 127 | pipe_sampler_view_reference(&stObj->sampler_view, NULL); |
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| 128 | pipe_resource_reference(&stImage->pt, stObj->pt); |
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| 129 | |||
| 130 | stObj->width0 = ps->width; |
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| 131 | stObj->height0 = ps->height; |
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| 132 | stObj->depth0 = 1; |
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| 133 | stObj->surface_format = ps->format; |
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| 134 | |||
| 135 | _mesa_dirty_texobj(ctx, texObj, GL_TRUE); |
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| 136 | } |
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| 137 | |||
| 138 | static void |
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| 139 | st_egl_image_target_texture_2d(struct gl_context *ctx, GLenum target, |
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| 140 | struct gl_texture_object *texObj, |
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| 141 | struct gl_texture_image *texImage, |
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| 142 | GLeglImageOES image_handle) |
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| 143 | { |
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| 144 | struct st_context *st = st_context(ctx); |
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| 145 | struct pipe_surface *ps; |
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| 146 | |||
| 147 | ps = st_manager_get_egl_image_surface(st, (void *) image_handle); |
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| 148 | if (ps) { |
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| 149 | st_bind_surface(ctx, target, texObj, texImage, ps); |
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| 150 | pipe_surface_reference(&ps, NULL); |
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| 151 | } |
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| 152 | } |
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| 153 | |||
| 154 | void |
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| 155 | st_init_eglimage_functions(struct dd_function_table *functions) |
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| 156 | { |
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| 157 | functions->EGLImageTargetTexture2D = st_egl_image_target_texture_2d; |
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| 158 | functions->EGLImageTargetRenderbufferStorage = st_egl_image_target_renderbuffer_storage; |
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| 159 | } |