mojo/gpu/texture_uploader.cc - Issue 1534923002: Remove TextureCache and TextureUploader.

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Issue 1534923002: Remove TextureCache and TextureUploader. (Closed) Base URL: git@github.com:domokit/mojo.git@moz-1

Patch Set: rebase Created 4 years, 11 months ago

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1 // Copyright 2015 The Chromium Authors. All rights reserved.

2 // Use of this source code is governed by a BSD-style license that can be

3 // found in the LICENSE file.

4

5 #include "mojo/gpu/texture_uploader.h"

6

7 #ifndef GL_GLEXT_PROTOTYPES

8 #define GL_GLEXT_PROTOTYPES

9 #endif

10

11 #include <GLES2/gl2.h>

12 #include <GLES2/gl2extmojo.h>

13

14 #include "mojo/services/geometry/cpp/geometry_util.h"

15 #include "mojo/services/surfaces/cpp/surfaces_utils.h"

16

17 namespace mojo {

18

19 mojo::FramePtr TextureUploader::GetUploadFrame(

20 base::WeakPtr<mojo::GLContext> context,

21 uint32_t resource_id,

22 const scoped_ptr<mojo::GLTexture>& texture) {

23 if (!context) {

24 return mojo::FramePtr();

25 }

26

27 mojo::Size size = texture->size();

28

29 mojo::FramePtr frame = mojo::Frame::New();

30 frame->resources.resize(0u);

31

32 mojo::Rect bounds;

33 bounds.width = size.width;

34 bounds.height = size.height;

35 mojo::PassPtr pass = mojo::CreateDefaultPass(1, bounds);

36 pass->quads.resize(0u);

37 pass->shared_quad_states.push_back(mojo::CreateDefaultSQS(size));

38

39 context->MakeCurrent();

40 glBindTexture(GL_TEXTURE_2D, texture->texture_id());

41 GLbyte mailbox[GL_MAILBOX_SIZE_CHROMIUM];

42 glGenMailboxCHROMIUM(mailbox);

43 glProduceTextureCHROMIUM(GL_TEXTURE_2D, mailbox);

44 GLuint sync_point = glInsertSyncPointCHROMIUM();

45

46 mojo::TransferableResourcePtr resource = mojo::TransferableResource::New();

47 resource->id = resource_id;

48 resource->format = mojo::ResourceFormat::RGBA_8888;

49 resource->filter = GL_LINEAR;

50 resource->size = size.Clone();

51 mojo::MailboxHolderPtr mailbox_holder = mojo::MailboxHolder::New();

52 mailbox_holder->mailbox = mojo::Mailbox::New();

53 for (int i = 0; i < GL_MAILBOX_SIZE_CHROMIUM; ++i)

54 mailbox_holder->mailbox->name.push_back(mailbox[i]);

55 mailbox_holder->texture_target = GL_TEXTURE_2D;

56 mailbox_holder->sync_point = sync_point;

57 resource->mailbox_holder = mailbox_holder.Pass();

58 resource->is_repeated = false;

59 resource->is_software = false;

60

61 mojo::QuadPtr quad = mojo::Quad::New();

62 quad->material = mojo::Material::TEXTURE_CONTENT;

63

64 mojo::RectPtr rect = mojo::Rect::New();

65 rect->width = size.width;

66 rect->height = size.height;

67 quad->rect = rect.Clone();

68 quad->opaque_rect = rect.Clone();

69 quad->visible_rect = rect.Clone();

70 quad->needs_blending = true;

71 quad->shared_quad_state_index = 0u;

72

73 mojo::TextureQuadStatePtr texture_state = mojo::TextureQuadState::New();

74 texture_state->resource_id = resource->id;

75 texture_state->premultiplied_alpha = true;

76 texture_state->uv_top_left = mojo::PointF::New();

77 texture_state->uv_bottom_right = mojo::PointF::New();

78 texture_state->uv_bottom_right->x = 1.f;

79 texture_state->uv_bottom_right->y = 1.f;

80 texture_state->background_color = mojo::Color::New();

81 texture_state->background_color->rgba = 0;

82 for (int i = 0; i < 4; ++i)

83 texture_state->vertex_opacity.push_back(1.f);

84 texture_state->flipped = false;

85

86 frame->resources.push_back(resource.Pass());

87 quad->texture_quad_state = texture_state.Pass();

88 pass->quads.push_back(quad.Pass());

89

90 frame->passes.push_back(pass.Pass());

91 return frame;

92 }

93

94 } // namespace mojo

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