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Revert OpenGL point drawing performance, do to proper batching

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Sylvain 2022-01-10 09:17:50 +01:00 committed by Ryan C. Gordon
parent 423feac69b
commit 90f0d2ce49
1 changed files with 6 additions and 7 deletions
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13
src/render/opengl/SDL_render_gl.c
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@ -1111,7 +1111,8 @@ SetDrawState(GL_RenderData *data, const SDL_RenderCommand *cmd, const GL_Shader
} }
} }
vertex_array = cmd->command == SDL_RENDERCMD_DRAW_LINES vertex_array = cmd->command == SDL_RENDERCMD_DRAW_POINTS
|| cmd->command == SDL_RENDERCMD_DRAW_LINES
|| cmd->command == SDL_RENDERCMD_GEOMETRY; || cmd->command == SDL_RENDERCMD_GEOMETRY;
color_array = cmd->command == SDL_RENDERCMD_GEOMETRY; color_array = cmd->command == SDL_RENDERCMD_GEOMETRY;
texture_array = cmd->data.draw.texture != NULL; texture_array = cmd->data.draw.texture != NULL;
@ -1189,7 +1190,6 @@ GL_RunCommandQueue(SDL_Renderer * renderer, SDL_RenderCommand *cmd, void *vertic
{ {
/* !!! FIXME: it'd be nice to use a vertex buffer instead of immediate mode... */ /* !!! FIXME: it'd be nice to use a vertex buffer instead of immediate mode... */
GL_RenderData *data = (GL_RenderData *) renderer->driverdata; GL_RenderData *data = (GL_RenderData *) renderer->driverdata;
size_t i;
if (GL_ActivateRenderer(renderer) < 0) { if (GL_ActivateRenderer(renderer) < 0) {
return -1; return -1;
@ -1280,11 +1280,10 @@ GL_RunCommandQueue(SDL_Renderer * renderer, SDL_RenderCommand *cmd, void *vertic
const size_t count = cmd->data.draw.count; const size_t count = cmd->data.draw.count;
const GLfloat *verts = (GLfloat *) (((Uint8 *) vertices) + cmd->data.draw.first); const GLfloat *verts = (GLfloat *) (((Uint8 *) vertices) + cmd->data.draw.first);
SetDrawState(data, cmd, SHADER_SOLID); SetDrawState(data, cmd, SHADER_SOLID);
data->glBegin(GL_POINTS);
for (i = 0; i < count; i++, verts += 2) { /* SetDrawState handles glEnableClientState. */
data->glVertex2f(verts[0], verts[1]); data->glVertexPointer(2, GL_FLOAT, sizeof(float) * 2, verts);
} data->glDrawArrays(GL_POINTS, 0, (GLsizei) count);
data->glEnd();
break; break;
} }