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backend: gl: set usage of buffer objects to GL_STREAM_DRAW

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it pretty much describes how we use buffer objects now

reference: https://docs.gl/gl3/glBufferData
This commit is contained in:
Maxim Solovyov 2023-07-04 20:47:56 +03:00
parent 3d82e76d4b
commit 7a45e35ca0
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2 changed files with 13 additions and 13 deletions
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10
src/backend/gl/blur.c
View file

@ -23,7 +23,7 @@ struct gl_blur_context {
struct texture_size {
int width;
int height;
} * texture_sizes;
} *texture_sizes;
/// Cached dimensions of the offscreen framebuffer. It's the same size as the
/// target but is expanded in either direction by resize_width / resize_height.
@ -347,9 +347,9 @@ bool gl_blur_impl(double opacity, struct gl_blur_context *bctx, void *mask, coor
glBindVertexArray(vao[0]);
glBindBuffer(GL_ARRAY_BUFFER, bo[0]);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, bo[1]);
glBufferData(GL_ARRAY_BUFFER, (long)sizeof(*coord) * nrects * 16, coord, GL_STATIC_DRAW);
glBufferData(GL_ARRAY_BUFFER, (long)sizeof(*coord) * nrects * 16, coord, GL_STREAM_DRAW);
glBufferData(GL_ELEMENT_ARRAY_BUFFER, (long)sizeof(*indices) * nrects * 6,
indices, GL_STATIC_DRAW);
indices, GL_STREAM_DRAW);
glEnableVertexAttribArray(vert_coord_loc);
glEnableVertexAttribArray(vert_in_texcoord_loc);
glVertexAttribPointer(vert_coord_loc, 2, GL_INT, GL_FALSE, sizeof(GLint) * 4, NULL);
@ -360,10 +360,10 @@ bool gl_blur_impl(double opacity, struct gl_blur_context *bctx, void *mask, coor
glBindBuffer(GL_ARRAY_BUFFER, bo[2]);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, bo[3]);
glBufferData(GL_ARRAY_BUFFER, (long)sizeof(*coord_resized) * nrects_resized * 16,
coord_resized, GL_STATIC_DRAW);
coord_resized, GL_STREAM_DRAW);
glBufferData(GL_ELEMENT_ARRAY_BUFFER,
(long)sizeof(*indices_resized) * nrects_resized * 6, indices_resized,
GL_STATIC_DRAW);
GL_STREAM_DRAW);
glEnableVertexAttribArray(vert_coord_loc);
glEnableVertexAttribArray(vert_in_texcoord_loc);
glVertexAttribPointer(vert_coord_loc, 2, GL_INT, GL_FALSE, sizeof(GLint) * 4, NULL);

16
src/backend/gl/gl_common.c
View file

@ -309,9 +309,9 @@ static GLuint gl_average_texture_color(backend_t *base, struct backend_image *im
// Allocate buffers for render input
GLint coord[16] = {0};
GLuint indices[] = {0, 1, 2, 2, 3, 0};
glBufferData(GL_ARRAY_BUFFER, (long)sizeof(*coord) * 16, coord, GL_DYNAMIC_DRAW);
glBufferData(GL_ARRAY_BUFFER, (long)sizeof(*coord) * 16, coord, GL_STREAM_DRAW);
glBufferData(GL_ELEMENT_ARRAY_BUFFER, (long)sizeof(*indices) * 6, indices,
GL_STATIC_DRAW);
GL_STREAM_DRAW);
// Do actual recursive render to 1x1 texture
GLuint result_texture = _gl_average_texture_color(
@ -448,9 +448,9 @@ static void _gl_compose(backend_t *base, struct backend_image *img, GLuint targe
glGenBuffers(2, bo);
glBindBuffer(GL_ARRAY_BUFFER, bo[0]);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, bo[1]);
glBufferData(GL_ARRAY_BUFFER, (long)sizeof(*coord) * nrects * 16, coord, GL_STATIC_DRAW);
glBufferData(GL_ARRAY_BUFFER, (long)sizeof(*coord) * nrects * 16, coord, GL_STREAM_DRAW);
glBufferData(GL_ELEMENT_ARRAY_BUFFER, (long)sizeof(*indices) * nrects * 6,
indices, GL_STATIC_DRAW);
indices, GL_STREAM_DRAW);
glEnableVertexAttribArray(vert_coord_loc);
glEnableVertexAttribArray(vert_in_texcoord_loc);
@ -1065,9 +1065,9 @@ static inline void gl_image_decouple(backend_t *base, struct backend_image *img)
glGenBuffers(2, bo);
glBindBuffer(GL_ARRAY_BUFFER, bo[0]);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, bo[1]);
glBufferData(GL_ARRAY_BUFFER, (long)sizeof(*coord) * 16, coord, GL_STATIC_DRAW);
glBufferData(GL_ARRAY_BUFFER, (long)sizeof(*coord) * 16, coord, GL_STREAM_DRAW);
glBufferData(GL_ELEMENT_ARRAY_BUFFER, (long)sizeof(*indices) * 6, indices,
GL_STATIC_DRAW);
GL_STREAM_DRAW);
glEnableVertexAttribArray(vert_coord_loc);
glEnableVertexAttribArray(vert_in_texcoord_loc);
@ -1368,9 +1368,9 @@ void *gl_shadow_from_mask(backend_t *base, void *mask,
glGenBuffers(2, bo);
glBindBuffer(GL_ARRAY_BUFFER, bo[0]);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, bo[1]);
glBufferData(GL_ARRAY_BUFFER, (long)sizeof(*coord) * 8, coord, GL_STATIC_DRAW);
glBufferData(GL_ARRAY_BUFFER, (long)sizeof(*coord) * 8, coord, GL_STREAM_DRAW);
glBufferData(GL_ELEMENT_ARRAY_BUFFER, (long)sizeof(*indices) * 6, indices,
GL_STATIC_DRAW);
GL_STREAM_DRAW);
glEnableVertexAttribArray(vert_coord_loc);
glVertexAttribPointer(vert_coord_loc, 2, GL_INT, GL_FALSE, sizeof(GLint) * 2, NULL);